Cnei
[医][=composite noise exposure index]复合噪声暴露指数
🗣️ 情景例句
Never pump gas with the engine running.
发动机在运转时，别加油。
What's the best price you're prepared to offer for your product?
你们的产品最优惠的价格是多少呢？
This is No. 1 Machine Shop. Keep together, please! said Uncle Wang.
“这就是第一机械车间。 请大家靠拢点！”王大叔说。