Line of duty
[法] 值勤, 公务
🧩 词语组成解析
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
An apple a day keeps the doctor away.
每天一个苹果不用看医生。
Want of care does us more damage than want of knowledge.
粗心比无知更为有害。
they had escaped from the paper bag and had taken complete possession of the hall!
它们从纸袋里逃了出来，爬得满厅都是！