Valerce
原子价(化学)
🗣️ 情景例句
I'm a senior here, so let me know if I can help you with anything.
我是大四的老生，有什么能帮忙的尽管说一声。
He was shocked by Ted's darling words.
他为泰德厚颜无耻的话受了打击。
You're very eloquent.
你看上去真精神。