Coll
n. 胶原；胶质（等于colloid）
🗣️ 情景例句
We're particularly interested in your line of rackets.
我们对贵公司的球拍系列特别感兴趣。
Could you tell me where is the gas station?
你能不能告诉我加油站在哪里？
You must look after it. Give it to Mr. Hu.
你一定要好好保管啊！让胡老师帮你拿着。