Back boundary cell
[电] 后膜光电管
🧩 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;
cell
[sel]
n. <生>细胞;小牢房;电池;<诗>墓穴;
vi. 住在牢房或小室中;
vt. 囚禁;
🗣️ 情景例句
I'm going nowhere in my present job.
我现在的工作没有出路。
Every tree is known by its own fruit.
观其言行，知其为人。
It was usually very quiet, and he could see the park from his window.
那儿通常很安静，从他的窗户他可以看见公园。