Amphotere
[化] 兩性元素
??? 情景例句
He's a very famous person in Chinatown. He's also from your home city, Peking.
他在唐人街大名鼎鼎，他也是從你的家鄉(xiāng)北京來(lái)的。
It's only a suggestion, you don't have to take it.
這只是一個(gè)建議，你可以不聽(tīng)。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因?yàn)槿绻辛谢疖?chē)開(kāi)進(jìn)隧道，它就把新鮮空氣隨之抽進(jìn)了隧道。