例如用手机通话时可以使用扬声器或有线耳机，这可以使手机尽量与身体保持距离，大幅度减少辐射。

Using your cell phone's speaker or connecting a wired headset— while keeping the handset away from your body — drastically reducesRF exposure.

youdao

在曼谷打的，肯定会听到的士司机的手机响，接着就是长时间的通话，通话大多用手机的扬声器，少有人用耳机，嫌麻烦。

TAKE a taxi in Bangkok and the driver’s mobile phone is sure to chirp. A long conversation ensues, usually by speakerphone, since few cabbies bother with headsets.

youdao

通话质量是可悲的，她说，主要是因为小小的扬声器，必须与你的耳道完全对齐。

Call quality is pathetic, she adds, mostly because the tiny speaker has to be perfectly aligned with your ear canal to work.

youdao