Erethin
[医] 兴奋素(结核菌素毒质)
🗣️ 情景例句
When I watch sad movies I get really depressed.
当我看悲伤的电影时，我常常很难过。
No pain, no gain.
不劳则无获。
Here's your umbrella and your coat.
这是您的伞和大衣