useful animal
常见例句
- The earthworm is a useful animal.
蚯蚓是一种有用的动物。
www.0-100.com - An ox is a useful animal.
公牛是一个有用的动物。 - Monkey is a kind of useful animal .
猴子是一种有用的动物。 - It's less useful, of course, for people who made their teeth before bomb testing started in 1955, and it will become ever less useful as more of the bomb carbon is absorbed by oceans and plant and animal life.
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