Back diffusion
[电] 逆扩散
🧩 词语组成解析
back
[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
All my bags are checked in. I guess I'm all set to go.
我的行李都检查完了，看来我可以走了。
Happy is he who knows his follies in his youth.
记得青年时所做的愚笨事的人是幸福的。
The Crystal Palace was different from all other buildings in the world, for it was made of iron and glass.
这座水晶宫不同于世界上所有的其他建筑，因为它是用钢和玻璃建成的。