🧩 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
She does the housework, is that right?
她专门干家务，对吗？
What time does the train for Boston leaves?
去波士顿的火车几点开？
That is not in the agreement.
借约上可没有这一条。