Surface density
[电] 表面密度
🧩 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
🗣️ 情景例句
And good luck! I've got to go.
祝你好运 我得走了。
Why are you going back?
你为什么回来？
The next morning, the box had disappeared but Mrs. Ramsay was sure that the kidnapper would keep his word.
第二天早晨，放钱的盒子不见了。但拉姆齐太太确信绑架者是会履行诺言的。