The institute's research director, Mark Teffeau,says the flowerpot works well for vegetables and small flowering plants like geraniums and impatiens.

VOA: special.2010.06.01

So if we want to put that in chemical terms, we want to make sure we put these in brackets here, and remember, this is the resonance arrow, it's not a reaction arrow, it's a resonance arrow, so make sure you mark it up correctly like that.

那么如果我们把它类比到化学中来，我们要确保它们都放在括号里，而且要记住，这是一个表示共振态的箭头，而不是表示化学反应的，它是一个表示共振态的箭头，因此请务必像这样正确地标记它。

麻省理工公开课 - 化学原理课程节选

In fact, he broke the 4 minutes and 10 seconds mark, 4 minutes and 5 seconds mark and he got 4 minutes and 2 seconds and stopped, like everyone else-- could not go below the 4 minutes and 2 seconds.

他突破了四分十秒，四分五秒,跑到四分两秒时停止，像所有人一样-,无法低于四分二秒。

哈佛公开课 - 幸福课课程节选

There was a purple mark on it that looked like four small fingers and a little thumb.

VOA: special.2009.05.30

But when she turned pale, there was the mark, like a red stain upon snow.

VOA: special.2009.09.26

The mark was shaped like a very small human hand.

VOA: special.2009.09.26

The costly D-Day battle would mark a turning point in the war, and would change the lives of survivors like Earl Norwood.

VOA: standard.2009.06.02

But the final resting place where there would be not, if you like,a heavy mark of the person, but rather the person is consigned to dust from where they came."

VOA: standard.2010.07.22