Fifra
[医][=Federal Insecticide,Fungicide and Rodenticide Act of 1972]1972年联邦杀虫剂、杀真菌剂和灭鼠剂条例
🗣️ 情景例句
And I am a hard worker when I have something challenging to do.
并且在遇到挑战性的工作时，我是个很努力的人。
Never swap (or swop) horses while crossing the stream.
骑渡中流莫换马。（指危难时不宜做大变动）
One of the first things Annie did was to teach me how to play.
安妮首先要做的事情之一，就是教我如何耍。