Ffdca
[医][=Federal Food,Drug and Cosmetic Act]联邦食品、药物与化妆品法
🗣️ 情景例句
What time do your classes start?
你的课什么时候开始？
He went to the post office to mail a letter.
他去了邮局寄信。
I looked out of the window.It was dark outside.
我望望窗外，外面一片昏暗。