Pentaborane
n. [化]戊硼烷(用作火箭推进剂)
🗣️ 情景例句
They were ... they were ... they were average.
他们……他们……他们是普通身材。
Her name has slipped from my mind.
我想不起她的名字了。
'Dear me,' she said.
“天啊，”她说，