C5
[医] 溴化五烃季胺, 溴化次戊基三甲季铵
🗣️ 情景例句
My mother, Ellen Stewart.
我母亲Ellen Stewart。
You'll scare the baby if you shout.
你若大声喊叫，会吓着婴儿的。
but unfortunately not all of us are born handymen.
但不幸的是，我们并非人人都是能工巧匠。