But one of the problems with concrete is that even after it’s hardened, it still absorbs water.
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it still absorbs water
它仍然吸水
以上为机器翻译结果，长、整句建议使用 人工翻译 。
But one of the problems with concrete is that even after its hardened, it still absorbs water.
可混凝土的一个问题是，即使变硬以后，它仍然吸水。
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