它在手机背面提供了一个抬高的区域,以助于防止你在放下它时把电话听筒划伤。
It provides a raised area at the back of the phone which helps stop you scratching the handset when you put it down.
曾经人们很担忧,由于手机听筒接近耳朵,使大脑长期暴露在电磁辐射之下,有可能会引发癌症。
There have been fears that cancer could be triggered by the brain's exposure to electromagnetic radiation emitted from mobile handsets held to the ear.
我再不用楼上楼下来回跑,寻找手机的踪迹了。相反,我只要把基站放在一层楼上,并把无绳电话听筒放在另一层楼上就好了。
I saved myself a few trips racing up and down the stairs to find where I had left my cellphone, instead placing the base station on one floor and the additional handset on the other.
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