Chlorbicyclen
[化] 冰片丹
🗣️ 情景例句
When is that?
那是几点？
Bill was very jumpy as he waited for the phone to ring.
贝尔忐忑不安地等着电话来。
Tie a heavy weight at the end of a long piece of string.
把一个重物拴在一根长绳子的一端，