Amphoteric surface-active agent
[化] 两性表面活性剂
🧩 词语组成解析
a. 两性的\\n[化] 两性的; 兼性的
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
Could you take a monent to freshen up first? you don't want to go into the meeting smelling like that!
你可不可以先去清醒一会儿？你也不希望带着这样的一身气味去开会吧！
Car manufacturers must be very uneasy now.
现在汽车制造厂商们无疑都非常不安。
We set off down the hill. At first it was easy walking over the grass. Then the grass turned to bushes and the hillside became steeper. We climbed over rocks, through trees and found it more and more difficult to get down the hill. By now we were beginnin
我们开始下山，起初很容易地走过草地，后来草地变成了灌木丛，山峰变得更陡了。我们爬过岩石，穿过树林，发现下山越来越难。这时我们感到疲惫，雨也下大了。我在一小块草地上停下来，转身看看跟在我后面的弟弟。就在这时我在两块岩石中间发现了一个洞。“我过去看看，”我喊?2282