Pentaborane 9
[化] 戊硼烷9
🧩 词语组成解析
n. [化]戊硼烷(用作火箭推进剂)
🗣️ 情景例句
What if we can't tie the tie?
如果我们弄不好领结怎么办？
He who cannot hold his peace will never live at ease.
嘴巴不紧，生活不宁。
What was the name of the book? asked Miss Yang.
“书名是什么？”杨小姐问。