When people are ill they need delicate food.

人生病时，需要清淡的食物。

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When people are ill, they need delicate food.

当人生病时，他们需要清淡可口的食物。

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The roast duck is regarded as the specially delicate food of Beijing.

烤鸭是北京的一道风味菜。

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But they can also disrupt the delicate water cycle that provides food,recreation and hydration to communities.

VOA: standard.2010.08.04

If this traditional migration is hindered it could lead to a serious decline in fish reproduction which will unbalance the delicate food chain on which this ecosystem depends.

CNN: STORY HIGHLIGHTS

We don't yet know which species will benefit, and which will suffer in response to the changes, but because each species plays a specific ecological role on the tundra, the downfall of one species or proliferation of another could have a domino effect that disrupts the tundra's delicate food web.

CNN: Next global warming worry: Thawing tundra

That level of decline could wreak havoc on the delicate Antarctic food chain.

BBC: Emperor penguins face extinction