The net production, natural returning and retaining amount of elements in aboveground portion were a markedly higher than that of underground in t.

红三叶群落地上部的净生产量、自然归还量和元素的存留量均显著高于地下部。

youdao

Also the effect of the utilization upon ecologic environment of underground space, especially the positive influence upon people's psychology, is analysed, and the way of utilizing t...

指出了它们对地下空间的生态环境所引起的积极作用，特别是对人的心理产生的良好影响，并探讨了这几种自然因素在地下空间中的运用手法。

youdao

What we don't get here is a sense of whether there really is an alternate secret postal system that serves a sort of underground of private networks.

在这里我们所不明白的是，是否真的存在一个,提供地下的,私密的通信服务的，秘密邮政系统。

耶鲁公开课 - 1945年后的美国小说课程节选

If you're underground, you don't see anything, and buses are really slow.

如果在地下的话，你什么都看不到，而巴士又真的很慢。

喜欢自行车 - SpeakingMax英语口语达人

We didn't know the god was there, and we didn't know he was underground until Milton tells us that he's coming up now.

我们不知道这位神在那儿，直到弥尔顿告诉我们，直到弥尔顿告诉我们我们才知道他隐匿在字里行间,才知道他会出现。

耶鲁公开课 - 弥尔顿课程节选

There are some things you can't find underground.

BBC: Subterranean Sydney

Like a surprising number of people in Oklahoma, Shelley didn't have an underground tornado shelter, so he jumped in his car and took off.

CNN: One block, two tornadoes: Life in the crosshairs

The reception isn't great while travelling at speed and doesn't work at all underground.

ECONOMIST: America is finally poised to get mobile television