chōng zhōu ㄔㄨㄙ ㄓㄡ 充周
我的口袋阅读器在使用的大概8周以内只充了一次电，而Kindle在5天后就告诉我电力不足了。
While the Pocket has been charged only once in the eight weeks or so that I had been using it, the Kindle gave me a low battery warning after five days.
但如果你有了这种智能玻璃屏幕，那你一周充一次电就可以了。
But if you had smart glass, you could recharge it just once a week.
第2周见大量的活跃的成骨细胞、成纤维细胞和间充质细胞，形成骨样组织，软骨细胞增生活跃。
Plenty of active osteoblasts, fibroblasts and mesenchymal cells were seen at the 2nd week, osteoid tissue formed, the proliferation of cartilage was active.
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