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
What guarantee do I have that it won't break down easily?
有什么保障它不会轻易出故障？
A man alone is either a saint or a devil.
孤身独处的人可以为圣哲，也可为恶魔。
You are walking too fast. I can't keep up with you.
你走得太快，我跟不上。