Naphthathiourea
a-萘硫脲
🗣️ 情景例句
If you don't apply to the relevant department your passport will never be approved.
如果你不向有关部门申请，你就得不到护照。
Experience is the father of wisdom and memory the mother.
经验是知识之父，记忆是知识之母。
In this way, he has begun his own private 'telephone' service.
就这样，他开始自己的私人“电话”业务。