Ehs
abbr. 环境、健康和安全（Environment Health Safety）；环境卫生局（Environmental Health Services）
🗣️ 情景例句
Never chew with your mouth open.
嚼东西时别张着嘴。
How much is a round-trip ticket to Beijing?
一张到北京的来回票要多少钱？
His few material possessions make it possible for him to move from place to place with ease.
他几乎没有什么财产，这使他能够轻松自如地在各地奔波。