Photoelectric intrusion detector
[电] 光电防盗警报器
🧩 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
Going swimming should be a good way of letting your hair down after a hard day's work.
游泳是在辛苦了一天后放松自己的好方法。
I beg your pardon.Is this seat taken?
请问这个位子被占了吗？
The inspector began to look for fingerprints, while the constable checked that the front door locks had not been forced,
巡官开始搜寻指纹，警察经检查发现大门锁头并无撬过的迹象。