他们速度飞快。
如果希望产生的画面能跟外部世界对得起来,你需要精确地知道用户在往哪儿看,特别是当他们的眼睛飞快地扫视时,要知道人的眼睛是可以以极快的速度进行扫视的。
You need to know exactly where the user is looking if you want to render graphics that line up with the world, especially when their eyes saccade (jump around), which our eyes do at a very high rate.
他们以飞快的速度完成了许多合同。
They have completed many of their contracts with dizzying speed.
But basketball, I just find that how quickly they go across the floor,
但看篮球时,我会发现他们穿越球场的速度飞快,
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