Pentaborane
n. [化]戊硼烷(用作火箭推进剂)
🗣️ 情景例句
It's small,
它小小的，
Speak well of your friend, of your enemy say nothing.
要赞美朋友，莫提及敌人。
Julie. I'm sure we'll win something this week.
我敢肯定这星期我们会赢一点的。