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The birds nibble at the brickwork.

鸟儿们啄着砖墙。

《柯林斯英汉双解大词典》

This is strange because the sorts of lab animals the researchers looked attend to be given lots of food and left to nibble at leisure.

这很奇怪，因为研究人员观察的各种实验室动物往往被给予大量食物，且让它们在闲暇时一点一点蚕食。

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The only nibble so far came from the Montreal Alouettes.

WSJ: Tebow left to wonder what's next after cut by Jets

Or simply stop in to stare at the artistically arranged counter displays and nibble at the samples.

BBC: The depachika of Tokyo

He notes that in early 2011, every handset and PC maker is going to jump into the market in an attempt to nibble into the enormous market share now held by the Apple (AAPL) iPad.

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