A pitfall trap can be any small container placed in the ground with the top level with the surrounding surface and filled with a preservative.

陷阱可以是任何放置在地面上的小容器，其顶部与周围的表面齐平，并装满防腐剂。

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Here, countries have escaped the fertility trap and the childbearing rate is around 1.8-not high, but higher than it was, and, in some cases, reaching the magic replacement level.

这里的国家逃离了生育陷阱，生育率大约1.8——不高，但已今非昔比，而且有时候达到了神奇的更替水平。

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Towers Trap has 3 difficulty levels, plus one experimental level, where you can test different strategies without warring about the price of the towers.

塔的陷阱，有3个难度水平，再加上一实验的水平，在这里您可以测试不同的策略，没有交战约价格塔。

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Truly, there are no words for how much I loathe this incredibly well-designed, trap-filled level of death and frustration.

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One of these changes, which would promote global warming, is a rise in the level of so-called greenhouse gases (particularly carbon dioxide) which trap heat from the sun and thus warm the air.

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