And maths has become the most popular of all A-Levels.

数学已经成为所有一级课程中最受欢迎的课程。

Most students study three or four subjects at A level.

大多数学生学习三到四门高级水平的课程。

In 2 years time all of you will be finishing your A levels.

再过两年，你们就会完成A levels的学业。

A level playing field is when the conditions of competition are fair or even.

公平的竞争环境是指竞争条件是公平的。

A level of the hydrogen isotope called radioactive tritium will remain in the water.

一种被称为放射性氚的氢同位素会留在水中。

The average person emits energy at a level of 2.5.

人类平均拥有的能量级别为2.5。

Starting my own business at the same time as completing my GCSEs and now A Levels.

在完成 GCSE 课程同时开创自己的事业，现在在进修 A Level 课程。

Five months to go up a level.

五个月才能升一分。

They must work very hard because good A level results are needed to get into a good university.

他们必须很努力学习，因为进入一所好的大学需要高级水平的好成绩。

OK, now let's move up a level.

好的，现在让我们再进一步学习。

Everyone wants a level playing field -- but not just in sports.

每个人都希望有一个公平的竞争环境——但这不仅仅是在体育领域。

It's such a level of attention to detail.

这是对细节的高度关注。

These new things do have a level of risk .

这些新事物确实存在一定程度的风险。

Yeah. So level one, we think a level two.

是的。所以第一级还是第二级呢？

Local authorities have activated a level-I emergency response.

当地政府已启动一级应急响应。

The 21st floor is a level 5 DOD facility.

21层是五级国防部设施。

So, it's doubtful that you can just cram down more and more carrots to get optimal Vitamin A levels.

因此，想通过大量食用胡萝卜来使体内的维生素 A 达到最佳水平，这样的做法就值得怀疑了。

The program seeks to provide a level of security too.

该计划也寻求提供一定程度的安全保障。

" Some people won't, " said Hermione in a level voice.

“有的人不会，”赫敏冷静地说。

She now has a level of immunity to the virus.

她现在对病毒产生了一定的免疫力。