The extinction of myriad biological species aroused deep concern which led people to an understanding of the special importance of protecting rare animals and plants on the brink of extinction.

无数生物物种的灭绝引起了人们的深切关注，使人们认识到保护濒临灭绝的珍稀动植物的特殊重要性。

youdao

Today the species is on the brink of extinction.

今天的物种处于灭绝的边缘。

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He doubts that iPS cells will save many threatened species, particularly those already on the brink of extinction like the northern white rhinoceros.

他怀疑iPS细胞能够拯救很多受威胁的物种，特别是那些像北白犀一样已经处于灭绝边缘的。

youdao

Indeed, 30 years ago, extensive deforestation left the tree on the brink of extinction.

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