And they reported lower levels of commitment to school and more modest educational aspirations.

而且据反映，他们学习投入程度较低，学习志向也不够远大。

This is particularly good at reducing stress and anxiety levels.

这特别有助于减轻压力和焦虑。

Exams rank different levels of mediocrity, that's all.

考试把庸者分为了不同等级 仅此而已。

And levels of melatonin, the hormone that helps regulate sleep cycles, dropped.

帮助调节睡眠周期褪黑素也减少了。

A slope can describe a surface or area that is not level.

斜坡可以形容表层或某个区域，这个表层或区域不。

That matters because theory suggests that the maximum sustainable yield that can be cropped from a fishery comes when the biomass of a target species is about 50% of its original levels.

这确有其事，因为理论告诉我们如果一个渔场量如果连起初最大可承受捕鱼量50％都不到，就应该降低捕鱼数量了。

I would bring myself down to his level. I would talk to him about bridge, and golf, and politics, and neckties.

我只得迁就他们，和他们谈些桥牌呀，高尔夫球呀，政治呀，领带呀这些。

This passivity in the face of money enraged Sartre at a political level.

这种面对金钱被动激怒了萨特政治层面见解。

Your emotional maturity level when we were together.

我们在一起时，你情商也就九岁吧。

The explosion leveled the house and heavily damaged four adjacent homes.

房屋被夷为地，周边四处房屋遭严重毁坏。

They have lower job turnover. They have lower levels of attrition.

工作流动率更低，员工也会更专心工作。

You know, when one male dominates another, his testosterone level rises.

当一名男性彻底压制另一男性时他睾丸酮会上升。

Indeed, news are spreading that the world economy is bouncing back, hopefully to pre-crisis levels.

事实上, 新闻报道宣称世界经济正在反弹, 希望达到危机前。

Every bound thing becomes unbound including, eventually at the most subatomic level.

所有结合而成物体都会被分裂，最终亚原子层物质都会被分裂。

As water levels fall, salinity goes up, leading to fish kills.

而且位下降，含盐量上升使得鱼类死亡。

There are always tensions simmering at some level here.

从某种程度上讲，这个地-区紧张局势一直处于酝酿状态。

Well I reckon I'd be level B.

我觉得我应该B。

This level of complexity makes comprehensive training imperative.

维和任务复杂程度之高让全面培训变得必不可少。

Our community workers, policemen and women, officials working at the primary level, media personnel, and volunteers have stood fast at their posts.

社区工作者、公安干警、基层干部、新闻工作者、志愿者坚守岗位。

And it has helped keep interest rates near historically low levels.

这就使得利率处于历史上最低。