Ehs
abbr. 环境、健康和安全（Environment Health Safety）；环境卫生局（Environmental Health Services）
🗣️ 情景例句
I'm going to call Rita Mae at home
我会打电话到Rita Mae家
Cast not your pearls before swine.
明珠莫投暗。
It was rather like an exhibition of prehistoric electronic equipment.
这儿倒像是在展览古老的电子设备。