Hercynin
[化] 组氨酸三甲基内盐
🗣️ 情景例句
You work hard on all your committees,
而你总是在各种委员会里忙，
Don't be anxious if I'm late.
如果我回来晚些也不必担忧。
She's been quite different since coming back from America.
从美国回来之后，她变化很大。