Ul traHD电视，其中有普通高清电视的四倍的分辨率，都在今年发生。

UltraHD TVs, which have four times the resolution of normal HD TVs, are all over the place this year.

youdao

Ul traHD电视，其中有普通高清电视的四倍的分辨率，都在今年发生。

UltraHD TVs, which have four times the resolution of normal HD TVs, are all over the place this year.

youdao