Collosol
n. 溶胶\\n[化] 溶胶
🗣️ 情景例句
the bank needs to be sure
银行需要确定
Choose an author as you choose a friend.
选书如择友。
A girl came in and put an envelope on his desk.
一个姑娘走了进来，把一个信封放在了他桌上。