On reaching 1000 metres, the pilot levelled off.

The builders levelled the ground.

建筑者把地面弄平.

A tornado levelled the entire business district.

龙卷风使整个商业区成为平地.

The hostage had a rifle levelled at his head.

一枝步枪瞄准着人质的头.

I levelled my glance towards the taffrail, foreboding shivers ran over me.

我把眼睛向船尾拦杆一瞄, 顿时浑身掠过一阵预兆性的寒颤.

We climbed steeply after take-off, and levelled out at 2000 feet.

起飞后.我们一直向上爬升, 在2000英尺的高度开始平飞.

Marks at the lower end need to be levelled up.

低分的一端分数需往上提.

Elsewhere large areas have been drained and levelled for industry or intensive farming.

在别处，大片区域被抽干了水或铲平了地，以作为工业或集约化农业用地。

They levelled 5000 mu of land.

他们平整土地5000亩.

The site must be levelled before it is built upon.

建房前要先把地基垫平.

The aircraft levelled out at about 30,000 feet.

飞机在大约3万英尺的高度进入水平飞行。

The road steepened and then levelled out suddenly.

路变得陡直起来，然后又突然变平坦了。

The Duchess levelled a deadly look at Nikko.

女公爵目光冷峻地盯着尼科。

Profits were at record levels.

利润创下新高。

The drug works by increasing levels of serotonin in the brain.

这种药物通过提高大脑中血清素的含量来产生疗效。

This drug lowers cholesterol levels by binding fats in the intestine.

这种药通过黏合肠内的脂肪降低胆固醇水平。

Lowered sea levels exposed the shallow continental shelf beneath the Bering Sea.

海平面下降使白令海底部的浅层大陆架暴露出来。

The levels of tolerable pain vary greatly from individual to individual.

对疼痛的耐受程度因人而异，差别很大。

It was actually used for enriching uranium to weapons-grade levels.

实际上，它是用来将铀浓缩以制造武器。

Many other medications have an influence on cholesterol levels.

许多其他的药物治疗对胆固醇水平都有一定的影响。

This new design will offer undreamed-of levels of comfort, safety and speed.

这种新设计将会给您带来意想不到的舒适、安全和快捷。