Background loop
[计] 后台坏
🧩 词语组成解析
loop
[lup]
n. 圈，环;[医]宫内避孕环;回路;弯曲部分;
vt.& vi. （使）成环，（使）成圈;以环连结;使翻筋斗;
🗣️ 情景例句
On a contract.
在一份合同上面。
All truths are not to be told.
真理并不都能说得清。
Several people complained of cat-like noises' at night and a businessman on a fishing trip saw the puma up a tree.
有人抱怨说夜里听见“像猫一样的叫声”；一位商人去钓鱼，看见那只美洲狮在树上。