I tried making my hand into a zero -- but that was really meaningless.
我试着用手比划出零的模样，但这真的没有实在的意义。
Within seconds the meter hand should read zero.
在几秒钟内，表针的读数应为零。
So, in that case, if the right hand side is zero, there's two cases.
所以右边为零时，有两种情况。
My hand-eye coordination is zero.
我的手眼协调能力是零。
My hand-eye coordination is zero.
我的手眼协调能力是零。
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