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
It just takes time to feel comfortable in a new place.
总是需要一段时间才能适应一个新的环境。
Being the newest member of this committee is really difficult.
能成为这个集体的新成员是很难的。
Sorry! It's not a very good line. Could you speak more clearly, please?
对不起！电话线路不太好。你能说清楚一些吗？