Tetrelide
[化] 第四族元素化物
??? 情景例句
I beg your pardon.
對(duì)不起。
Careful!
小心！
I was almost there when a sarcastic voice below said,
當(dāng)我?guī)缀醯搅舜翱冢@時(shí)下面一個(gè)諷刺的聲音說(shuō)，