Back diffusion
[电] 逆扩散
🧩 词语组成解析
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[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
🗣️ 情景例句
Is that one of the things Susan and Harry are bringing?
那是不是属于Susan和Harry要带的？
A full cup must be carried steadily.
杯满盈，须持稳。
He waited until someone new joined the company and then began to steal.
他等待有人刚加入公司后才开始偷窃。