随手记| what is dust made of

the kaleidoscope of colors

a speck of dust 一粒微尘

microscopic 极小的

animal dander 动物毛屑

quartz 晶石

spores 孢子

fungal spore 真菌孢子

carbonate 碳酸盐

calcium 钙

forensic expert 法医

further afield 远方

vaporize 蒸发

condense 凝结

celestial bodies 天体

terrestrial 地上的／陆地的

intergalactic 星系之间的

detritus 碎块

occupants／inhabitant 住户

Interstellar 星系之间的

pulverize 粉碎

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armored-train 装甲列车

North Korean leaders have in past always traveled to China in armored trains, and kept the visit secret until after it was over, apparently because they feared assassination attempts.

a flurry of visits 一系列访问

a sitting U.S. president 在位的总统

respond in kind 以牙还牙，以眼还眼  eye for eye, tooth for tooth

President Trump has threatened to impose additional tariffs on $200 billion worth of Chinese imports, and China's government has said it will respond in kind.

subside: gradually becomes less and then stops 减轻；平息

As the threat of U.S. military action on North Korea subsides, China has less incentive to enforce existing sanctions on North Korea.

a "freeze for freeze" program 以“暂停换暂停”的计划：朝鲜停止核试验、美国停止军演

crayfish 小龙虾

reprisal: If you do something to a person in reprisal, you hurt or punish them because they have done something violent or unpleasant to you. 军事报复

Witnesses are unwilling to testify through fear of reprisals.

umbrella organization： 代表并保护成员团体的组织

Indict: to officially charge someone with a criminal offence

indictment indict sb for sth 

He was indicted for vehicular homicide in 1987.

vehemently adv:The charge was vehemently denied. 那一指控遭断然否认.

graft and corruption 行贿和贪污.