Biferrocenyl
联二茂铁
🗣️ 情景例句
I'm not only willing to help, I'm willing and able.
我不但示意帮忙，而且能够帮上忙。
Won't you be embarrassed to leave the party early?
你提早一点离开宴会也无妨吧？
Hello. You must be Dr Yang. How do you do? My name's David Lee.
嗨。你一定是杨博士吧。您好！我是大卫·李。