Cell protection
[计] 单元保护
🧩 词语组成解析
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
You need to complete some forms before the class.
上课之前你得填一些表格。
Does the back door have a lock on it?
后门上有锁吗？
Meanwhile, they should encourage those among us who cannot swim five yards before they are gasping for air.
与此同时，他们对我们中的那些游不了5码就已喘不过气来的人应该是种鼓舞。