an abnormality of development in which the upper part of an arm or leg is missing so the hands or feet are attached to the body like stumps; rare condition that results from taking thalidomide during pregnancy 同义词：seal limbs,
例句与用法
1.
And still the cause of the phocomelia outbreak remained unknown . 然而，畸形儿病例大量发生的原因不得而知。
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