Collochemistry
胶体化学
🗣️ 情景例句
Six words.
六个字。
Whom will you send that to?
你将把那个送给谁？
Notices forbidding the open-air drying of clothes, or the use of water points for car washing,
禁止露天晒衣服、禁止用水龙头冲洗汽车的布告