Pentyne
戊炔
🗣️ 情景例句
Really?
真的？
Do you usually play piano during the holidays?
你通常在假日期间弹钢琴吗？
Justice had been done even before the man was handed over to the police.
甚至在那人还没被送交给警察之前，正义就已得到了伸张。