Q. I was wondering if you could give me some suggestions of a small, light portable radio-type gadget with earbuds that would be good for me while I do athletic activities like riding my bike.

能不能给我推荐一种轻便小巧、带耳塞的便携式收音机那样的装备，以便我在运动时收听，比如说骑自行车。

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A portable drill or an electric chainsaw could save Labour, and make light of roughing out big boards.

便携钻机或是电动链锯能够节省体力，并使大块木板的粗加工化繁为简。

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That means batteries can be employed instead of mains electricity—and modern lithiumion batteries, the ones Dr Gura chose, are also light, and thus portable.

这意味着电池可以取代传统的电力——现代的锂电池，藏博士所运用的是重量轻而且十分便携的电池。

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"Some of these inventors have been designers of the human genome sequencer, incredible technologies around focusing sound in the same way have been able to focus light with lasers, health technologies like the stair-climbing wheelchair and a portable dialysis machine,".

VOA: standard.2009.12.18

If the climate or hour of the day at the new destination don't allow for lots of light, a small, portable light box, some of which double as an alarm clock, can be purchased.

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Light and portable, the GALAXY Tab 2 (7.0) is the ideal personal on-the-go device, available in 3G and WiFi versions.

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Whether a light and portable long-zoom camera, or a sharp and stylish dual LCD model, the new cameras introducing this technology deliver the combination of image quality and connectivity that today's consumer needs.

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