n. 尾;尾部;燕尾服;尾随者;
vt. 跟踪;装上尾巴;
vi. 队伍单行行进时拉长或产生间隔;侦察队两两散开;[建筑学] 嵌上,搭上;
🗣️ 情景例句
It won't take me long at all.
不需要花很长时间的。
I seldom write a letter.
我很少写信。
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.