Polyborane
聚硼烷
🗣️ 情景例句
Oh, let her in.
噢， 让她进来。
Parents usually put a small red paper packet under their child's pillow.
父母常常会在孩子枕头下放一个小红包。
Yes, there must be over two hundred here.
是呀，这儿一定有200多张。