Many in the crowd were older adults. Some chewed gum and lifted dumbbells.

这些人中很多都是年长者。他们中的一些人嚼着口香糖，举着哑铃。

And a woodpecker that rings a doorbell is no dumbbell.

啄木鸟按的门铃可不哑。

And I'm going to lift some dumbbells and do a lot of bench presses.

我要举哑铃，做很多卧推。

And a bench press is if you take the dumbbells up and lift it down to hit your chest.

卧推指的是你举起哑铃，然后把它放下直到碰到你的胸部。

One example would be the lowering of the dumbbell during the bicep curl.

哑铃弯举训练中放下哑铃的过程就是这样的例子。

The Local Group is elongated, almost dumbbell shaped, with the Milky Way on one side and Andromeda on the other.

本星系群是细长的，几乎呈哑铃形，一边是银河系，另一边是仙女座。

I took my dumbbell set out of the closet, and I put them in the living room.

我从衣柜里拿出我的哑铃，把它们放在客厅里。

Some one had dropped her dumbbells.

有人掉了她的哑铃。

But if you look at these, there's three ways that you can configure these dumbbells.

但是如果你看一下这些，你可以通过三种方式配置这些哑铃。

Eccentric training is where the muscle lengthens while under tension, like lowering a dumbbell while contracting the biceps in a bicep curl.

离心训练是指肌肉在维持张力的状态下拉伸，就像在收缩二头肌的同时降低哑铃。