Laser signal device
[计] 激光信号装置
🧩 词语组成解析
laser
['lezɚ]
n. 激光;激光器，镭射器;
signal
['sɪgnl]
n. 信号，暗号;预兆，征象;动机;导火线;
vt. 向…发信号;用动作（手势）示意;以信号告知;
vi. 发信号;
adj. 显著的，优越的;暗号的，作信号用的;
sign记号，信号+al表名词 → 信号
🗣️ 情景例句
Help me with this tie, will you?
帮我打领带 好吗
As soon as you have drunk, you turn your back upon the spring.
忘恩负义。
Many strange new means of transport have been developed in our century,
本世纪已研制出许多新奇的交通工具，