🧩 词语组成解析
v. 踏；行走（step的过去式和过去分词）
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;
🗣️ 情景例句
Sorry, I couldn't help overhearing, did you mention something about...
对不起，我无意中听到你们的谈话，你们是不是提到...
All produets have to go through five checks in the whole process.
所有产品在整个生产过程中得通过五道质量检查关。
That sounds a great idea. Good luck with your trip!
听起来真是个好主意。祝你一路顺风。