The Kindle’s E Ink screen consumes power only when the page is turned; turn off the wireless and you can go for a week without plugging it in.
Kindle的电子墨水屏幕只是在翻页的时候才会耗电。如果把无线网络关掉的话你一个礼拜都不须充电。
Plugging into music can be a great way to concentrate and block out the noise and distractions of a busy work environment, but be sure to take them off every time you leave your seat.
戴耳机听音乐可以很好地集中精力，阻挡忙碌的工作环境带来的噪音和干扰，但确保你离开座位的时候摘下耳机。
Chemistry shuts off the water includes the selective water plugging and the non-selective water plugging.
化学堵水又包括选择性堵水和非选择性堵水。
Chemistry shuts off the water includes the selective water plugging and the non-selective water plugging.
化学堵水又包括选择性堵水和非选择性堵水。
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