DDT
abbr 缩写 = dichloro-diphenyl-trichloroethane (a colourless chemical that kills insects and is also harmful to animals) 滴滴涕; 二氯二苯基三氯乙烷.
🗣️ 情景例句
People we know?
我们认识的人。
Sometimes the snow was so deep we could tunnel through it.
偶尔雪会积到可以造隧道那般的深度。
Once we detected a planet, we would have to find a way of blotting out the light from its star, so that we would be able to 'see' the planet properly and analyze its atmosphere.