They can be watertight, like that at the London Times, but increasingly they are porous, letting publishers charge for access to content while also admitting casual visitors and allowing sharing.

虽然他们可能是完全收费的，像伦敦泰晤士报那样，但是他们越来越多通道的，让出版商对内容收费的同时，也允许休闲的浏览者进入，允许分享。

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The rules state that samples must be enclosed in two watertight containers.

条例规定样品必须用两个不漏水的容器封装起来。

《柯林斯英汉双解大词典》

The case has to be made watertight.

案由必须做到无懈可击。

《牛津词典》

The contracts may be watertight, but you can get soaked waiting for a judgment.

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Folks in the dowdy world of academia have to be watertight with their research if they want their results to be credible, which is why typical studies into happiness will only target a few dozen people with lots of questions.

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First, once the ship has been stabilized, an underwater platform will be built and watertight boxes, or caissons, fixed to the side of the ship that is above water.

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