Haid
abbr. hand-emplaced acoustic intrusion detector 手工放置的音响入侵探测器
🗣️ 情景例句
I wonder what the problem is.
我不知道发生了什么问题。
Sloth is the key of poverty.
惰能致贫。
Earlier, we were infants and young children, and consequently more vulnerable;
再早一些，我们是幼儿和小孩子，身体较脆弱；