Already well over 400 of the total of, 6,800 languages are close to extinction.

现存的6800种语言中，已经有400多种濒临灭绝。

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Many species of plants and animals are in danger of extinction, so it's high time that we take actions to protect them.

多种动植物濒临灭绝的危险，所以我们必须行动起来保护它们。

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youdao

But Senator Lee says not all sharks are in danger of extinction.

VOA: special.2011.03.15

"There are at least 27 different indigenous groups in Colombia that are considered to be at risk of extinction largely as a result of armed conflict and forced displacement.

VOA: standard.2009.03.22

Ice caps and species extinction are abstractions.

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However, in recent decades the numbers of women with the weaving and embroidery skills at their command has severely declined to the extent that traditional Li textile techniques are exposed to the risk of extinction and are in urgent need of protection.

UNESCO: Culture

But some kinds of damage, such as extinction, are beyond costing, and others are hard to estimate.

ECONOMIST: An invaluable environment