名词
中文翻译：手表水晶
同义词：
['watch glass', 'watch face']
例句：
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1.The watch crystal was so clear that it could be seen through the glass.
这块手表的水晶非常透明，透过玻璃都能看见。
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2.The watch crystal had been scratched and now only shows the time in small letters.
这块手表的水晶被刮花了，现在只能显示小时和分钟。
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3. The watch crystal is made of sapphire, which makes it very durable.
这块手表的水晶是由蓝宝石制成的，这使得它非常耐用。