Pvr
abbr. 精密电压基准（Precision Voltage Reference）；个人录像机（Personal Video Recorder）
🗣️ 情景例句
Frank, you've never played charades?
Frank，你从来没玩过哑谜？
I'd be glad to.
好的。
Even a telescope in orbit round the earth, like the very successful Hubble telescope, would not be suitable because of the dust particles iron solar system.
即使是一台放置在围绕地球的轨道上的望远镜——如非常成功的哈勃望远镜——也因为太阳系中的尘埃微粒而无法胜任。