Return line
[化] 回流管
🧩 词语组成解析
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
Aren't you hungry, Harry?
你不饿吗， Harry？
Hotels in America don't usually serve dinner in the rooms.
在美国的旅店里，正餐通常是不送到房间里。
it must be known to any kind of radio astronomer in the universe.
这个频率是宇宙中任何射电天文学家都应该熟悉的。