基本释义:
n.捕鼠者,叛变者
实用例句
The other people called him a ratter in the backward.
别人背后骂他无赖.
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This dog is a good ratter.
这只狗很会捕鼠.
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英英释义
Noun1. a disloyal person who betrays or deserts his cause or religion or political party or friend etc.
2. any of several breeds of terrier developed to catch rats