Native wildflower and grass meadows require no fertilizer, little or no supplemental water, and only annual mowing, once established.

本土的野花地和草场一旦栽植好，不需要肥料，也几乎不需要补充额外的水，只需每年除除草。

youdao

Their study could support evidence that water persists in shadowed craters on the moon's surface - and that the water could be native to the moon and not carried there by comets.

这项研究有可能证明在遮蔽在阴影中的月球坑中还有水存在，即“月球上可能原本就有水存在”，否定了月球水来自彗星的说法。

youdao

Centenarians from around the globe cite their native water as the source of their health and longevity - and the scientists agree with them.

全球各地的长寿老人都把家乡的水比作他们健康长寿的源泉——科学家们也都同意他们的这种说法。

youdao