7.18 day3
immediately
adv. 立即，马上
形容词：immediate
eg:“Yes,sir,I’ll be there immediately!"
词根词缀：immediate 立即的 + ly …地 -> immediately 立即，马上
英文释义：without delay
awareness
n.意识，明白，知道
eg:He tries to raise awareness of the importance of recycling by handing out leaflets.
他试图通过发传单的方式提供人们对回收利用重要性的认识。
词根词缀：aware 知道 + ness 名词 -> awareness 意识，知觉
英文释义： knowing something; knowing that something exists and is important;being interested in something
witness
n.目击者，证人
v.目击，亲眼看见
复数：witnesses
第三人称单数：witnesses
现在分词：witnessing
过去式：witnessed
过去分词：witnessed
eg: The little girl is the only witness of this accident.
小女孩是这场事故的唯一目击者。
英文释义：a person who sees something happen and is able to describle it to other people
course
n. 课程
复数：courses
第三人称单数：courses
现在分词：coursing
过去式：coursed
过去分词：coursed
eg:My biology course was cancelled from Monday’s school schedule.
我周一的生物课取消了。
词根词缀：cour 发生 + se -> 发展；进程，课程，一道菜
英文释义：a series of lessons or lectures on a particular subject
researcher
n.研究员
复数：researchers
eg: The researchers are using the microscope to investigate something.
研究员们正在用显微镜研究着什么。
词根词缀：research 研究 + er 名词后缀 -> researcher 研究员
evolution
n.进化，演变
复数：evolutions
形容词：evolutionary
副词：evolutionarily
eg: This picture shows the evolution of the mobile phone.
这张图片展示了手机的演变过程。
英文释义：(biology)the gradual development of plants,animals,etc.over many years as they adapt to changes in their environment
victim
n.牺牲品，受罪者，替罪羊
复数：victims
eg:This family are a victim of the flood,and are now homeless.
这个家庭是这次洪灾的受害者，现在他们无家可归了。
英文释义：a person who has been attacked ,injured or killed as the result of a crime,a disease,an accident,etc.
feel
v.触，摸；有知觉
第三人称单数：feels
现在分词：feeling
过去式：felt
过去分词：felt
eg:He fills with joy when feeling his wife’s belly.
他摸着妻子的肚子，心里充满着喜悦。
英文释义：to have a particular physical quality which you become aware of by touching
pilot
n.飞行员
adj.试验性的
v.给…领航，驾驶
复数：pilots
第三人称单数：pilots
现在分词：piloting
过去式：piloted
过去分词：piloted
eg:The heroic pilot managed to land the damaged plane safely.
这位英勇的飞行员成功让受损的飞机安全着陆。
英文释义：a person who operates the controls of an aircraft,especially as a job
union
n.工会；联合；合并；协会；同盟；一致；融洽
复数：unions
eg:The union is tring to protect their rights as workers.
工会在努力保护他们作为劳动者的权利。
词根词缀：un 单一 + ion 名词后缀 -> 联成一体 ->联合，工会，联盟
英文释义：an organization of workers formed to protect this tights and interests of its members
impulsive
adj.冲动的
名词：impulsiveness
副词：impulsively
eg:He’s an impulsive guy,often solving problems with violence
他是一个冲动的人，总是以暴力解决问题。
词根词缀：impuls 冲动 + ive 形容词后缀 -> impulsive 冲动的
keep
v.保持，坚持，保留，继续，贮藏，经营，遵守，供给，照管
复数：keeps
第三人称单数：keeps
现在分词：keeping
过去式：kept
过去分词：kept
eg:It’s so strange that she has kept young all there years.
真奇怪，这么多年来她一直都保持着年轻的状态。
英文释义：to continue having or holding(something);to not return,lose,sell,give away,or throw away(something)
brown
adj.褐色的，棕色的
n.褐色，棕色
复数：Her hair is brown,whereas her friend’s is black.
她的头发是棕色的，然后她朋友的头发是黑色的。
having the colour of earth or coffee
generate
v.产生(热，电等能量)，创造
第三人称单数：generates
现在分词：generating
过去式：generated
过去分词：generated
eg:The man is riding the bicycle to generate electricity.
这个人骑着自行车来发电。
词根词缀：gener 出生，产生 +ate 做，造成 -> generate 发生，引起
英文释义：to produce or create something.
harsh
adj.刺耳的
比较级：harsher
最高级：harshest
名词；harshness
副词：harshly
eg:Stop scratching the blackboard!The harsh noise was driving them crazy.
别刮黑板了！刺耳的声音让大家都要疯了。
英文释义：unpleasant to listen to
section
n.部分；区域；章节
v. 划分；切开
复数：sections
第三人称单数：sections
现在分词：sectioning
过去式：sectioned
过去分词：sectioned
eg:The Earth can be divided into different sections.
地球可以分为不同的部分。
词根词缀：set 切，割 + ion 名词后缀 -> 切开；部门
英文释义：any of the parts into which something is divided
adulthood
n.成人期
eg:They remained good friends into adulthood.
成年后，她们也一直是好朋友。
词根词缀：adult 成人 +hood 表示时期，情况，状态，性质，身份，资格等 -> adulthood 成年；成人期
sudden
adj.突然的，意外的
副词：suddenly
eg:The boy was scared by the sudden burst of the balloon.
英文释义：happening or done quickly and unexpectedly.
deficit
n. 亏损；赤字；不足额
复数：deficits
eg:The company has been in a financial deficit for the past few years.
该公司过去几年一直处于亏损状态。
词根词缀：de 不 + fic 做 +it 名词后缀，表抽象名词 -> 做的不够 -> deficit 亏空
英文释义；the amount by which money spent or owed is greater than money earned in a particular period of time
speaker
n.说话人，演讲人，扬声器
复数：speakers
名词：speakership
eg:She’s a talented speaker and enjoys talking to a large audience.
她是一位才华横溢的演讲者，喜欢对众多听众讲话。
英文释义：the part of a radio,television,computer,etc.,that changes electrics signals into sound;a person who gives a talk or makes a speech
platform
n.站台；讲台
复数：platforms
第三人称单数： platforms
现在分词：platforming
过去式：platformed
过去分词：platformed
eg: The train is passing platform 4.
列车正在经过4号站台。
词根词缀： plat 平坦 + form 形状 -> 形状平的地方 -> 平台，月台
英文释义：the raised flat area beside the track at a train station where you get on or off the train
volcanic
adj.火山的；易突然发作的
副词：volcanically
eg:The sky was clouded with smoke after the volcanic eruption.
在火山喷发后，天空被浓烟笼罩。
词根词缀：volcan 火山 + ic … 的 ->adj. 火山的；猛烈的；易突然发作的
英文释义：of ,relating to ,or produced by a volcano.
geographic
adj.地理学的,地理的
词根词缀:geo 地理 + graph 写，图 + ic 表示…的 -> geographic 地理的，地理学的
英文释义：connected with the way in which the physical features of a place are arranged