Cnei
[医][=composite noise exposure index]复合噪声暴露指数
🗣️ 情景例句
about taking care of babies, I assure you.
如何照顾小孩， 我向你保证。
This square table is good.
这张方桌很不错。
In return for this, the beggar stood on his head and sang songs.
作为回报，那乞丐头顶地倒立起来，嘴里还唱着歌。