Heptadiyne
庚二炔
🗣️ 情景例句
Uh, are you going to be busy this evening?
今晚忙吗？
Anger is a short madness.
发火是短暂的疯狂。
When he returned to India he spoke in public about the situation in South Africa.
当他加到印度之后，他还就南非的形势公开发表演说。