Vector line
[计] 向量行
🧩 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
Hello.
哈喽。
Buck up, Billy, Enjoy yourself.
振作起来，比利，快快活活地过日子。
What do you have to do round the house when you're at home?
你在家时得做些什么家务事？