| 单词 | railroad worm |
| 释义 | railroad worm in American Englishnoun the larva of a fruit fly, Rhagoletis pomonella, that burrows through apples, forming tunnels that sometimes appear on the skin as faint depressions or darkened trails: a serious pest of apples in colder regions of North America Also called: apple maggot Word origin [1905–10]Examples of 'railroad worm' in a sentence |
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