A topic-based approach can be hard to assess in schools with a typical spread of ability.

在以典型的能力多元化为特征的学校里很难评估一种基于话题的教学方法。

《柯林斯英汉双解大词典》

Around one-third of our meals should be based on carbohydrates, with roughly one half of these grains being whole.

我们的食物中差不多有三分之一是碳水化合物，大概有一半谷物食品为全麦的。

youdao

In the film, which will be called Finding Jack, Dean will be recreated on screen with CGI based on old footage and photographs, with another actor voicing him.

在这部将被称作《寻找杰克》的电影中，通过利用计算机生成图像技术，迪安的形象将依据其老镜头和老照片在银幕上重现，由另一位演员为他配音。

youdao

America's support for democracy will therefore be based on ensuring financial stability,promoting reform and integrating competitive markets with each other and the global economy.

VOA: special.2011.05.27

In just a moment the hearts are gonna start flowing from bottom to top and the cookies are gonna start moving left and right and they seem to be somewhat synchronized with the music, perhaps based on trial and error by the student who implemented this one.

刚刚那一刻，那些爱心们从底部上浮到顶部,饼干人则向左向右移动,它们似乎都随着音乐的律动而变化着，也许这是那个制作该动画的同学,不断尝试的结果。

哈佛公开课 - 计算机科学课程节选

this is on page 847 about halfway down the left-hand column: segment of language can never in the final analysis be based on anything except its noncoincidence with the rest.

翻到847页的左下角：,对于语言片段的理解,只能基于它和其他语言的不相似处。

耶鲁公开课 - 文学理论导论课程节选

They tend to be urban based with careers in technology, healthcare, or education.

FORBES: 2013: The Year Your Grandpa Becomes More Tech-Savvy Than You

"The new administration must be broad-based with a mandate to speak for a majority of the people of Afghanistan, " said Patten, who is expected to travel later this month to Islamabad for a conference on Afghan reconstruction.

CNN: EU to debate Afghan future

The issue of climate change is something that we are working diligently on and everybody has a huge interest in this, no place more so than Alaska where the effects are already beginning to be felt and it's starting to change I think the ability of native peoples to -- whose economies oftentimes may be based on interacting with the natural environment there.

WHITEHOUSE: President Obama Opens Tribal Nations Conference