Colloids
(colloid 的复数) n. 胶体, 胶质, 胶态\\na. 胶态的, 胶质的
🗣️ 情景例句
Good afrernoon, Miss Wang. Please sit down.
下午好。王小姐，请坐。
There is no royal road to learning.
治学无坦途。
Thirteen.
13岁。