This lesson is actually an English listening level test.

这节课其实是一个英语听力水平测试。

Going down and up and up and I'm just testing our levels…

下，上，上，我刚刚在测试我们的音量。

All of these studies were testing blood alcohol levels below the usual legal driving limit.

所有这些研究中测试的血液中酒精含量，都低于驾驶时法定的饮酒限制。

This is a Cambridge exam, and it tests the advanced level of English.

这是剑桥考试，考的是英语的高级水平。

The exam is designed to test a student's understanding and skill level in English.

该考试旨在测试学生的英语理解能力和技能水平。

But they're designed so that they can test every level from a beginner right through to advanced.

但它们的设计使其可以测试从初学者到高级的每个级别。

Cambridge exams are just for the special level for B2 C1 and C2 and they test your level very deeply and intensively.

剑桥英检则是针对不同等级B2（FCE中高级）、C1（CAE高级）、C2（CPE最高级），而且他们以非常深且广的方式测验你的水平。

She just walked in and I need to test the microphone levels to make sure we're ready to roll.

她刚走进来， 我需要测试麦克风电平， 以确保我们准备好滚动。

They looked at about 100 countries from the U.S. to China to Chile to Slovakia, and they tested different levels of warming.

他们考察了从美国到中国、智利到斯洛伐克的约 100 个国家，并测试了不同程度的变暖程度。

138.If this hardworking student wants to go abroad to go on his study, the foreign university will test his language level before the beginning of the term.

如果这个努力勤奋的学生想出国深造，外国的大学生将在学期开始前对他的语言水平进行测试。

The study did not directly test testosterone levels in the participants, but previous studies have found that single men tend to have higher levels of testosterone than men in long-term relationships.

该研究没有直接测试参与者的睾丸激素水平，但之前的研究发现，单身男性的睾丸激素水平往往比处于长期恋爱关系中的男性要高。

Diabetes affects more than one in 10 Americans, with the numbers projected to keep climbing. The chronic disease can mean frequent needle jabs to test blood sugar levels—and costly treatments. And there is still no cure in sight.

糖尿病影响了超过10%的美国人，而这个数据预计会攀升。这种慢性病意味着要频繁地接受打针来检测血糖水平以及昂贵的治疗费。并且眼下还没有完全的治愈方法。

Apparently, yes. They’ve done research where they make people laugh, and then test their pain levels afterwards. And they found that if people only chuckle a bit it doesn’t act as a painkiller, but if you laugh a lot, it does.

很显然，是的。科学家们进行研究，让人们笑，接着测试人们的痛苦水平。他们发现人们轻笑时并不会有减轻痛苦的效果，但如果大笑时，会有这种效果。