Pentaborane
n. [化]戊硼烷(用作火箭推进剂)
🗣️ 情景例句
Are you involved in any extra-curricular activities on campus?
你在学校参加过任何课外活动吗？
He has a brilliant career before him.
他的前途灿烂。
But I'm determined to enjoy myself as much as possible, even though I can't see everything.
但是尽管我不可能什么都看，我都决定要玩个痛快！