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
Please, after you.
你先请。
That house is for sale. It has central heating.
此房出售，房子里有供暖设备。
Can I help you?
你们要点什么？