Day4
1.elliptical（adj)：pertaining to or having the form of an ellipse./ tending to be ambiguous, cryptic, or obscure:
Synonyms: ambiguous, obscure, rounded
2. take up: 拿起，开始，从事，吸取，接纳，（原文是采取...的状态的意思）
3.stub(n/v): n/ a short remaining piece, as of a pencil, candle, or cigar
v/ to dig up by the roots
synonyms: butt, root
e.g: I felt there were a lot of ways that I could spend the stub end of my life cycle that were more productive
other forms: stub out : 熄烟
4.crest(n/v) : n/ the highest part of a hill or mountain range; summit
v/ to reach the crest or summit of
synonyms: peak, reage, head, apex
e.g: So busy we didn't notice that the crest of that lovely hill we were climbing was actually a cliff.
5. infrared(n/adj): the part of the invisible spectrum that is contiguous to the red end of the visible spectrum and that comprises electromagnetic radiation of wavelengths from 800 nm to 1 mm.(红外线的）
e.g: Therefore, it is not possible for any F-35 schedule to include a video data link or infrared pointer at this point.
6.postulate(n/v) :v/ to claim or assume the existence or truth of, especially as a basis for reasoning or arguing; to assume without proof, or as self-evident; take for granted.
n/something taken as self-evident or assumed without proof as a basis for reasoning.
e.g: Even people who postulate a creative God usually acknowledge that his existence shifts the big question rather than resolving it.
synonyms: hypothesis,presuppose
7.velocity(n)：rapidity of motion or operation; swiftness; speed（速率）
synonyms: speed, tempo,pace
e.g: The velocity and density of everything just boggles my mind.
8.cesium(n) :a rare, highly reactive, soft, metallic element of the alkali metal group(铯）
e.g: Even at the Chernobyl meltdown in 1986, he pointed out, cesium and iodine were the problem.
9.patch (n/v)：n/ a small piece of material used to mend a tear or break, to cover a hole, or to strengthen a weak place
v/ to repair or restore, especially in a hasty or makeshift way
synonyms: fix, mend
e.g:Then we had to stop up the holes with anything we had, and patch the paper as best we could.
10. alpha centauri: （南门二）：南门二（α Cen、半人马座α）位于天空南方的半人马座，英文名Alpha Centauri或Toliman，虽然肉眼分辨不出来，不过南门二实际上是一个三合星系统，其中一颗恒星是全天空第4明亮的恒星。不过因为其中两颗恒星距离过近，肉眼无法分辨出来，所以它们的综合视星等为-0.27等（超过第3亮的大角星），绝对星等为4.4等。南门二也作为南十字星座最外围的指引而闻名，因为南十字星座的位置太过南边，所以大部分的北半球都看不到。传闻当年郑和下西洋，就是用它来指引方向。
11.diagonal（n/adj/v)：v/ extending from one edge of a solid figure to an opposite edge, as a plane / having oblique lines, ridges, markings
synonyms: slanted,oblique
e.g: The young man weaves through clusters of bamboo and cuts a diagonal slash into a tree, positioning a hollow log at the end.
15.warp(n/v) :v/ to bend or twist out of shape, especially from a straight or flat form
synonyms: turn, distort, contort
16.ionic(adj)—ion(n): one of the electrically charged particles formed in a gas by electric discharge or the like.(离子）
17.arena(n)：a central stage, ring, area, or the like, used for sports or other forms of entertainment, surrounded by seats for spectators（竞技场）
synonyms: square, stage, gym, park
e.g: Most of their fans filed out of the arena quietly
18.curvature(n): the act of curving or the state of being curved.
synonyms: bend, bow, round
e.g:Even if you put it on a big building, the curvature of the earth prevents radar from going to the airplane.
Day5
1. assign(n/v) ：v/ to give or allocate; to give out or announce as a task
synonyms： allot， allocate
e.g: White House officials often assign to President Obama a series of sports metaphors.
other forms：assignee: 代理人，受让人
2. snapshot(n/v) : n/ an informal photograph, especially one taken quickly by a handheld camera.
v/ to take a snapshot of
synonyms： image，cartoon
e.g: At any given medical evaluation you get no more than a snapshot
3.hail(n/v) : v/ to cheer, salute, or greet/ to call out to in order to stop, attract attention, ask aid
n/ a shout or call to attract attention / the act of hailing
synonyms : cheer, applaud, honor, exalt, laud, extol
e.g: Why call a taxi when you can hail a Lyft to pick up visiting family and friends?
4. at rest : 表示静止状态
5.ripple：v/ (of a liquid surface) to form small waves or undulations, as water agitated by a breeze
(of a solid surface) to form or have small undulations, ruffles, or folds.
(of sound) to undulate or rise and fall in tone, inflection, or magnitude
n/ a small wave or undulation, as on water.
synonyms : wave, undulate, purl(潺潺地流）,ruffle, curl（蜷缩）
e.g： Sansing also said that there has been a ripple effect in that "once one celebrity talks about it, others feel more comfortable."
Day6
逻辑思维图：
安妮老师的思维图：
Day 7 笔记整理哈哈（到了我最喜欢的部分啦，虽然我物理看不懂，但是我来学到一些单词与表达也算是极好滴，嘿嘿）
1.force：力，impulse：冲动（力），momentum：动量=质*速
2. speed：表示物理速度，rate：比率（工资）
3.let go of: 放走
4.drop：垂直下降（金融学中的数据等）
5.act on it :作用于它
例子：sit in for the exam：参加考试
6.what happens to a body when a force does act on it is given by Newton's second law
解析：what... act on it 为主语从句，当中还有一个when做body的时间状语从句，谓语动词是be 动词is，后面接被动语态
7.be proportional to sth : 成正比/ be inversely proportionally to sth 成反比
8. preferred state of rest :最理想的状态，更容易出现的状态
9.take up: 进入/采取...的状态
10.it follows from sth : 从.... 中推出结论。
11.be hold : 成立=be true / stand up
12.stub one's toe on a large stone:踢石头却反伤了自己的脚趾，表示极度的愤恨
stub out: 表示熄烟
13.finite：有限的
14.evenly space ：均匀分布
15.the theory of the propagation of light:光线传播规律
16.normal mass：静止/正常 质量
17.speed it up：加速
18.chop it ：砍一下 / chop it up： 一直砍
19.object：侧重对象，body：形状，质量
20.put an end to ...: 结束
21.measure of time : 测量时间的方式
例子：by any measure 无论怎样
22.in terms of : 以/ 就...而言
例子： we are on good terms:我们关系很好
23.the line joining the moon to the sun : joining 可替换成connecting
24. arbitrary：没理由的，武断的
25.difference/distinction：前者通用，后者表示性质不同，更加正式
26.diagram: 示意图/ flowchart：流程图
27.lie in: 存在于
28.go out: 熄灭
29.on account of = because of 由于