Methylnorethindrone
18-甲炔诺酮
🗣️ 情景例句
He'll do anything to avoid getting down to math lessons,
他老是设法想逃避数学，
It's about time!
正是时候。
the total absence of fishing boats around the oil rigs.
钻井平台周围根本没有捕鱼船只。