Coll
n. 胶原；胶质（等于colloid）
🗣️ 情景例句
That sounds fantastic. Where do I go to sign up for that tour?
那听起来好极了。我到哪里去报名参加呢？
To sing a song
唱歌
They were glad of the examination being over.
他们为考试结束了而高兴。