当电力供应存在时，电磁场便会产生。所以，当我们坐在一盏打来了的台灯旁边时，我们便暴露在电磁场中了。
Electric fields exist when a charge is present, therefore we're exposed just by sitting next to a lamp that's plugged into an outlet.
在房间正中间摆着一张双人床垫，旁边倒扣着一个塑料的牛奶箱，上面放着一只台灯。
In the middle of the room, a twin mattress lay beside a plastic milk crate supporting a reading lamp.
窗户旁边有一张床，床上有一些有趣的洋娃娃，床的旁边有一张大书桌，书桌上有一张漂亮的照片、一盏台灯、一个录音机，还有一些书和许多拼图。
There are some funny dolls on the bed. There is a big desk beside the bed. On the desk, there is a nice photo, a lamp and a tape recorder. There are some books and many puzzles, too.
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