Gravity line
[化] 自流管
🧩 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
Good. Tell Mr. Gao at the factory to keep up the good work.
很好，请告诉工厂的高先生继续努力。
Better have something we can get our hands on rather than just spend all our time talking.
有些实际材料拿到手总比坐着闲聊强。
Nothing much. Why?
没啥事。怎么啦？