Coral reefs are one of the most fragile, biologically complex, and diverse marine ecosystems on Earth.

珊瑚礁是地球上最脆弱、生态性最复杂、最多样化的海洋生态系统之一。

youdao

The complex interplay of species in symbiotic relationships highlights an important point about communities: Their structure depends on a web of diverse connections among organisms.

物种在共生关系中复杂的相互作用突出了群落的一个重要特点：它们的结构取决于生物之间多样的联系网络。

youdao

youdao

The kingdom is now a complex, diverse country far removed from the Al Sauds' Bedouin origins.

ECONOMIST: Saudi Arabia

At the same time, office technology has become more complex and diverse, and the threat of viruses and worms has increased.

WSJ: Best Buy Jumps Into Small Business IT Services

As we argue in our survey of Islam and the West in this issue, the Islamic world is no monolith: it is complex, diverse and argumentative.

ECONOMIST: Much has been achieved, but things are now going badly