Pentaborane
n. [化]戊硼烷(用作火箭推进剂)
🗣️ 情景例句
It doesn't mean you're going to Michigan.
这并不是说你就要去Michigan大学。
When the belly is full, the bones would be at rest.
饱暖图安逸。
so he must stay in bed for a week.
因此他必须卧床一周。