当他十二岁时就对钟表异常着迷。
When he was twelve he became almost obsessively interested in clocks and watches.
我们对钟表表示感激，它告诉我们怎样辨认时间。
We are thankful for the clock. It tells us how to read the time.
由于汗水中的酸碱值不同，对钟表侵蚀的程度也不相同。
Because of the sweat of the pH value is different, the degree of erosion of the clock is not the same.
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