In neutral writing, you can use contractions and some abbreviations.

在中性写作中，你可以使用缩合和一些缩写。

The process requires pinpoint timing of contractions and digging.

而这一过程需要收缩及挖掘动作的精确配合。

This concentration gradient is extremely important for setting the resting membrane potential of excitable cell membranes, which is needed for normal contraction of smooth, cardiac, and skeletal muscle.

电化学梯度在可兴奋细胞膜静息电位的形成中十分重要，而平，还有骨骼的收缩都需要可兴奋细胞膜的参与。

Matahara, (a contraction of " maternity" and " harassment" ) , is illegal but rife.

“孕妇骚扰”(孕妇和骚扰的缩写)虽然是违法的行，但随处可见。

Gradually, their contractions become weaker, ultimately impeding the pumping of blood to your heart.

逐渐地，肉的收缩变弱，最终阻碍血液泵入脏。

Deep recessions like the recent global contraction would normally be expected to send inflation tumbling.

人们通常认最近全球性严重退会降低通胀率。

I have used a contraction so that is informal.

我用了一个缩写，所以这时布非正式的。

So, if you want to sound more Canadian or more American, you should use contractions.

如果你想让自己听起来更像加拿大人或美国人，你该用缩略词。

As a result of this contraction, the thin lunar crust bursts and large cracks appear.

由于这种收缩，薄薄的月球地壳崩裂，出现了巨大的裂缝。

The contractions pull on the thick tissues of the cervix, causing it to efface or get thinner and also dilate or open up, so then the fetus can leave the uterus and enter the world.

宫缩牵拉宫颈厚的组织，导致宫颈管消失或变薄，并引起宫口的扩张或开放，接着胎儿可以离开子宫，来到人世。

We have " gonna" which is a contraction of " going to" .

“gonna”就是“going to”的缩写。

This is a contraction, the economy is going to slow.

这就是通缩，将会放缓。

The short form " it's" is what we call a contraction.

" it’s" 这样的简略形式就是我们所说的缩写形式。

You just used one. What's is a contraction of what is.

你刚刚就说了一个。what's是what is的缩略形式。

A common form that is clear to see is contractions.

常见的形式就是缩写。

Muscle contraction can be split into three main types.

肉的收缩可以被分三种主要类型。

First off, you're not going to see contractions used in the exam.

首先，你不会在考试里看到缩写。

The muscles of your chest cage, abdomen, and diaphragm undergo a forceful contraction.

这时你胸腔，腹腔和隔膜的肉会强力收缩。

So, make sure you say How's it going, with a contraction of is.

所以，一定要说“How’s it going”，就是 is 的缩读。

This contraction can be triggered by eating.

这种收缩可以通过进食来触发。