Coll
n. 胶原；胶质（等于colloid）
🗣️ 情景例句
Only a five percent discount? How about twenty percent?
只打九五折？八折怎么样？
Use a book as a bee does flowers.
读书如蜜蜂采花，吸取其中之精华。
At the moment, he's reading an interesting book.
此刻，他正在看一本有趣的书。