Maximum permissible concentration
[医] 最大容许浓度
🧩 词语组成解析
🗣️ 情景例句
And it hung over Robbie's crib.
Robbie的小床也有过。
I hadn't planned on swimming across the whole lake.
我可从没计划要游过整个湖。
Yes, there is. Walk along this road, and take the fourth turning on the left.
是的，有。沿这条道走，然后在第四个路口向左拐。