Mediaometer
[医] 眼介质屈光计
🗣️ 情景例句
He's been here for years, he should know the ins and outs of the job by now.
他在这里已经好多年，现在理应熟悉各方面的工作了。
To run into
碰撞
There are four of us.
我们有4人。