Experts say testing needs to be done on each contaminant to determine the long-term effects on humans.

专家说需要对每种污染物进行测试，以查明对人类的长期影响。

《柯林斯英汉双解大词典》

In fact, I've got a great assignment this term working on jet engines which means I'll be going on a few field trips to a nearby airport.

实际上，这学期我有一个很棒的任务，是关于喷气发动机的，这意味着我要到附近的机场去做几次实地考察。

youdao

The two giant pandas will be on show from 2017 to 2019 to confirm our long term conversation partnership promise between China and Canada.

这两只大熊猫将于2017年至2019年展出，以确认我们对中加长期对话伙伴关系的承诺。

youdao

And,in the long term,they say, knowing where different genetic traits may be found on the map could lead to better plants.

VOA: special.2009.11.03

The images you'll see are a little something like this-- absolutely mesmerizing what will be on each of your screens and oh there is also some popcorn toward term's end.

你会看到一些这样的图片-,出现在屏幕上的那些有趣的照片,学期结束时还有爆米花吃。

哈佛公开课 - 计算机科学课程节选

0% of the class will be on problem sets, 30% of the grade; 30% on the mid-term, and 40% on the final; so 30/30/40.

课堂作业占总分数的30%,期中考试占30%,期末考试占40%,即30/30/40

耶鲁公开课 - 博弈论课程节选

For example, if the structural primary balance (budget balance excluding debt interest) in 2015-16 turns out to be only one percentage point better than the OBR now expects, our public sector debt would now be on a long term sustainable path.

BBC: OBR report: Be aware, not afraid

Federal tax returns from capital gains comprise only a tiny portion of tax revenue, so the impact on near term federal budget would be minimal but the impact on our long-term economy if we were able to promote and support the incentive to invest in the longer term empowering innovations would be immense, as our prior economic cycles has shown.

FORBES: Clayton Christensen, On The Entrepreneurial Innovations Our Economy Needs

Residents groups have suggested that until more is known about the effects low-level RF radiation may be having on the long-term health of children, mast construction should be limited in certain areas.

BBC: T-mobile warning over masts