While structure
[计] 重复结构
🧩 词语组成解析
while
[waɪl]
conj. 在…期间;与…同时;虽然;而;
n. （一段）时间;
vt. 消磨，打发（时间）;（愉快而懒散地）度过（时间）（常与 away 连用）;
🗣️ 情景例句
We'll know when tonight's papers come out.
今晚的报纸出来的时候， 我们就知道了。
Who called a while ago?
刚才谁在打电话？
What a relief it was when the boulders suddenly disappeared, giving way to a stretch of plain where the only obstacles were clumps of bushes.
突然大石块不见了，前面是一片平地，唯一的障碍只有一簇簇灌木丛。这使我们长长地松了口气。