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1.The largest parrot scientists know of is the kakapo, a flightless bird that also lives in New Zealand.
flightless 不能飞的
Penguins and ostriches are flightless birds.
企鹅和鸵鸟都不会飞。
2.The kakapo is on the critically endangered species list.
critically 危急地
She kept vigil at the bedside of her critically ill son
她整夜都守在病重的儿子床边。
