Photolectric intrusion detector
[电] 光电侵入探测器
🧩 词语组成解析
intrusion
[in'tru:ʒən]
n. 闯入;打扰;（对某事的）干扰;干涉;
🗣️ 情景例句
I'm in charge of the sales department.
我主管销售部。
He said he knew a lot of people there.
他说他在那里认识很多人。
What is your plan?
你的计划是什么？