Fish have scales. Fish have gills. Gills help fish get oxygen from the water. Their tails bend from side to side.

鱼有鳞片。鱼有鳃。鳃帮助鱼从水中获取氧气。它们的尾巴左右弯曲摆动。

Now move the hand to and fro and around but not up and down.

然后把手前后左右以及旋转摆动，但不要上摆动。

The swings between hot and cold are brutal.

冷热之间温度摆动是严酷的。

The stretcher swayed and dipped as the two carriers stumbled on the rocky ground.

狱卒们在岩石上蹒跚而行，担架不时地上摆动。

Snape whirled about, robes swishing behind him, and stormed out of the ward.

斯内普飞快转过身去，袍子因摆动丽在他身后簌簌作响，他乒乒乓乓地走出了病。

Next, Jack grabbed the tree branch and jiggled it.

来，杰克抓住枝，并轻轻地左右摆动。

Even though the wiggling back and forth of the star is too small to measure, that doesn't mean the effect is undetectable.

尽管恒星来回摆动的幅度太小，无法测量，但这并不意味着这种效应无法被检测到。

Our success depends on our participation, regardless of which way the pendulum of power swings.

我们的成功取决于我们的参与, 不管权力的钟摆如何摆动。

She's built the sway back and forth to withstand the fury of stormy weather, to stand the test of time because storms are always coming.

她来回摆动， 以抵御暴风雨的肆虐，经受住时间的考验， 因为暴风雨总是会来临。

Then my right arm I use to balance so I move it up and down.

我靠上摆动右胳膊保持平衡。

It seems a little bit unbelievable but recent research suggests that the tail wagging to the right indicates positive feelings or that your dog is relaxed.

这似乎有点难以相信，但最近的研究表明，狗尾巴向右摆动表示积极的情绪或者狗狗感到轻松自在。

Hold your limb out and swing around, you can't feel gravity doing this thing.

伸出你的手臂并左右摆动，做这件事时你感觉不到重力。

And he walks by having his sho...shoulders...they are actually bouncing back and...back and forth.

他走路的时候，他的肩膀...会切实地...来回摆动。

Their tails move up and down. They have soft, smooth skin.

它们的尾巴上摆动。它们拥有柔软光滑的皮肤。

We use reinforced concrete to have that flexibility that also absorbs movement.

我们使用钢筋混凝土来获得这种弹性，同时也能承受楼体摆动。

AC would be kind of like watching the water swishing around back and forth if you open the lid of your washer and look inside.

如果你打开洗衣机的盖子往里面看，交流电就像在里面来回摆动的水流。

Let's keep that clocks " pandulem" swinging ya'll.

让我们保持时钟摆动吧。

When they do start to let go and their body starts flapping in the air like a flag, smaller back legs reduce the drag, and allow them to cling on and survive the hurricane.

当它们开始放任自己的身体像旗帜一样在空中摆动时，较小的后肢可以减少阻力，让它们紧紧抓住某些东西，在飓风中生存来。

You put your right arm in, and you shake it all about.

收回你的右臂，然后摆动它。

The slightest wind agitates the leaves of the trees.

极轻的风使上的叶子摆动起来。