useful animal
常见例句
- The earthworm is a useful animal.
蚯蚓是一種有用的動物。
www.0-100.com - An ox is a useful animal.
公牛是一個有用的動物。 - Monkey is a kind of useful animal .
猴子是一種有用的動物。 - 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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