Stupp
[医] 汞烟尘, 粗汞华
🗣️ 情景例句
Life has its ups and downs, but it certainly has its rewards.
人生有沉也有浮，但是无论怎样都确有其价值。
Please call before you come,otherwise we might not be home.
请在你来前打一下电话来,否则我们可能不在家。
We found it difficult to work with him.
我们发现和他共事很难。