Boroethane
乙硼烷
🗣️ 情景例句
My parents are expecting to see good grades this semester.
我父母希望我这个学期取得好成绩。
Are these books all yours?
这些书全是你的吗？
We must stress that these payment terms are very important to us.
我们必须强调这些付款条件对我们很重要。