The Boston researchers describe their new design like a pita pocket, with a big wad of drug in the middle of a hydrogel exterior.
波士顿研究者描述这项设计就像皮塔饼(译者注,希腊和中东地区一种馅多皮薄的圆饼)。
The middle ear is a small pocket of air behind the eardrum.
中耳就是骨膜后面的一个小气袋。
And right now, the tablet maintains a middle position in the computing market, nestled between pocket-friendly smartphones and full-power PCs.
现在,平板在计算市场上维持一个中间位置,介于更便携的智能手机和全功能的PC之间。
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