Chlorbicyclen
[化] 冰片丹
??? 情景例句
When is that?
那是幾點(diǎn)？
Bill was very jumpy as he waited for the phone to ring.
貝爾忐忑不安地等著電話來。
Tie a heavy weight at the end of a long piece of string.
把一個(gè)重物拴在一根長繩子的一端，