Borin
[机] 烃基硼
🗣️ 情景例句
Perhaps we could see the house this weekend.
也许这周末我们会去看看这栋房子。
The truest politeness comes from sincerity.
真正的殷勤出于真诚。
Has he had anything to eat this morning?
他今早吃了什么东西吗？