Plucothionic acid
[医] 糖硫羰酸
🧩 词语组成解析
🗣️ 情景例句
It's tough getting an O.K. from the boss.
很难从老板那听到声“同意”。
We know that you are leading exporters of coal and you can provide the quantity we need.
我们知道贵方是主要煤炭出口商，能满足我们的需求量。
The doctor began to operate on the boy.
医生开始给那个男孩动手术。