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
Help yourselves.
请随便用。
Recently, I have learned a lot of new things about myself.
最近，我学到了许多自己以前不明白的事理。
We visited the Great Wall. We went there by bus. We all took some food and drink with us.
我们参观了长城。我们是坐车去的。我们每人都自备一些食物和饮料。