Expectorants
n. 除痰剂( expectorant的复数形式 )
🗣️ 情景例句
You're right. I'll change it.
你说得对，我会把它改一下。
I'm afraid I have bad news for you.
恐怕我有坏消息要告诉您。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，