英文: A caterpillar is the larva of a butterfly.

中文: 毛虫是蝴蝶的幼体.       更详细...

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英文: A caterpillar is the larva of a butterfly.

中文: 丑陋的毛虫会变成美丽的蝴蝶。       更详细...

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英文: A larva metamorphoses into a chrysalis and then into a butterfly.

中文: 幼虫变为蛹, 然後再变成蝴蝶.       更详细...

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英文: A larva metamorphoses into a chrysalis and then into a butterfly.

中文: 幼虫变为蛹,然后再变成蝴蝶.       更详细...

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英文: 7.% of the infected persons harbored simple Necator americanus and .7% simple Ancylostoma duodenale , as shown by hookworm larva cultivation. The mixed infection rate was .% ( N.a.∶ A.d . = . 7∶).

中文: 9例钩虫幼虫鉴定结果，单纯美洲钩虫感染者占7．％，单纯十二指肠钩虫感染者占．7％，两种钩虫混合感染者占 ．％，N．a．∶A．d．＝． 7∶。       更详细...

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