The spider has oil on its feet and it can walk on the web without sticking to it.

蜘蛛的脚上有许多油质，这样它在网上行走的时候就不会被粘到。

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I opened the window - surprised when it opened silently, without sticking, not having opened it in who knows how many years - and sucked in the relatively dry air.

我推开窗子，惊讶地发现当它打开的时候相当安静，完全没有卡住，一点儿也不像谁知道多少年没开过的样子。我深吸了一口相对比较干爽的空气。

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I opened the window - surprised when it opened silently, without sticking, not having opened it in who knows how many years - and sucked in the relatively dry air.

我推开窗子，惊讶地发现当它打开的时候相当安静，完全没有卡住，一点儿也不像谁知道多少年没开过的样子。我深吸了一口相对比较干爽的空气。

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