The plovers are now a threatened species.
鸻鹬现在是濒危物种。
The spotted owl is a threatened species, not yet an endangered one.
斑点猫头鹰是一种面临生存危险的物种， ，但是还不是一种濒临灭绝危险的物种。
Nearly a quarter of plant species are threatened with extinction.
近四分之一的植物物种有灭绝的危险。
Nearly a quarter of plant species are threatened with extinction.
近四分之一的植物物种有灭绝的危险。
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