🧩 词语组成解析
vt. 层层排列, 使层叠（tier的过去式与过去分词形式）
seat
[sit]
n. 席位，座位;所在地;场所;臀部;
vt. 使就座;使就职;使获得座位（或席位）;可容纳若干座位;
🗣️ 情景例句
While sitting on the bus I often meet interesting people.
乘车时，我经常碰到一些有趣的人。
Maybe some other time.
也许下一次吧。
I know that one of the towers is on the top of a hill, but the rest of the buildings are easy to get to.
我知道其中有个塔在山上，但其余的建筑物都并不难上。