She advised his parents to use a special device called a peak flow meter.

VOA: special.2009.07.28

I cut it in half, I'll use some protractors and dividers and compasses, you can split the meter into any fraction you like.

把它切成两半,我用量角器,两脚规,还有圆规,你想把一米分成任意份数

耶鲁公开课 - 基础物理课程节选

Just like one second is some convention we use and one meter is some convention we use.

就像一秒是我们预先约定的,一米也是我们预先约定的

耶鲁公开课 - 基础物理课程节选

In other words, meter is something Frost knows how to use.

换句话说，弗罗斯特知道怎么使用格律。

耶鲁公开课 - 现代诗歌课程节选