"So that was a very big step I think unfortunately that the U.S.didn't see it as such a big step.
VOA: standard.2009.07.03
That space is about 20 to 40 nanometers, it's not a very big space, but it's a significant space.
这个空间距离大概有20到40纳米,不是很大 但是意义重大
They have a very big, lots of races and it's called Royal Ascot because the Queen attends.
他们有许多比赛,然而,它之所以叫皇家赛马会,是因为女王会观场。
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