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
I'll come and give you a hand tomorrow.
我明天来帮你忙。
Do as the Romans do.
入境要问俗。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.