Wi-fi hot spots are large — about the size of a football field — but those signals had to pass through a lot of masonry before they got to my laptop.

虽然Wi - fi热点的覆盖面有足球场那么大，但信号在到达我的电脑之前还要穿过层层水泥。

youdao

Wi-fi hot spots are large — about the size of a football field — but those signals had to pass through a lot of masonry before they got to my laptop.

虽然Wi - fi热点的覆盖面有足球场那么大，但信号在到达我的电脑之前还要穿过层层水泥。

youdao