Laser line follower
[计] 激光行式跟随器
🧩 词语组成解析
laser
['lezɚ]
n. 激光;激光器，镭射器;
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
Is it that serious a problem, Grandpa?
这个问题有那么重要吗，爷爷？
Do not give a dog bread every time he wags his tail.
不要有求必应。
What was the date?
（昨天）是几月几日？