Surface active agent
[化] 表面活性剂
🧩 词语组成解析
surface
['sɝfɪs]
n. 表面;外观，外表;地面。水面;
vi. 浮出水面;在表面工作;显露;
vt. 使浮出水面;使成平面;
adj. 表面的，外观的;外表上的，平地上的;肤浅的;
sur超过，在上面+face脸面→表面
active
['æktiv]
adj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
n. [语法]主动语态;积极分子，活跃的人;
🗣️ 情景例句
Their after-sales service was just so bad that I decided to never buy anything from that shop again.
他们的售后服务太差了，所以我决定从此不再能家商店买东西。
Do you have a letter of introduction?
你有介绍信吗？
If you were to ask Harry what was in the bottle, he would tell you that it contained perfumed mud.
要是你问哈里瓶里装着什么，他会告诉你是香水泥。