这是世界上第一把真正不用手持的雨伞。
像日本坠子一样，鼻烟壶被设计成手持的珍品。
Like Japanese netsuke, snuff bottles were designed as hand-held treasures.
虽然同事们告诉他采用手持的屏幕进行诊断并不现实，但米切尔仍然没有放弃。
Despite colleagues telling him it was impractical to diagnose using a hand-held screen, Mitchell pushed on.
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