Trichodermin
木霉素
??? 情景例句
If you're not sure, then the answer should probably be no.
如果你不確定，那么答案可能就是“不”了。
I'm afraid I have bad news for you.
恐怕我有壞消息要告訴您。
Which language is spoken by the largest number of people in the world?
世界上哪種語言說的人最多？