Active infrared detection
[电] 有效红外线检波
🧩 词语组成解析
active
['æktiv]
adj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
n. [语法]主动语态;积极分子，活跃的人;
infrared
['infrə'red]
adj. <物>红外线的;
n. 红外线;
🗣️ 情景例句
The whole house needs re-painting.
整个房间需要重新粉刷。
We're aiming its price for $ 98.
我们订价为98美元。
That sounds interesting. That was a hundred years ago, wasn't it?
听起来很有意思。那是一百年前的事了，不是吗？