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
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?；辉萃！钡募苹撼释Ｖ购耸匝椤⒚拦Ｖ咕?/p>
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?；こ稍蓖盘宓淖橹?/p>
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.
