about twice a week 大约一周两次 ; 约一周两次
about twice a month 大约每月两次
about twice as much 大约两倍多
think twice about 仔细考虑
Think Twice About Doing Sth 三思而后再决定做某事
The groups that rewarded it the most earned about twice as much in the game as the groups that rewarded it the least.
VOA: special.2009.10.21
So using stroke as the outcome here, what you see is that people with the metabolic syndrome, the red bar, compared to the people without it, the yellow bar, have about twice the amount of risk.
首先是中风,我们可以看到,红柱子表示的患有代谢综合征的人,比黄柱子表示的没患有代谢综合征的人,中风的风险高两倍
And I was there. I've been there twice, most recently about four years ago.
我去过法国,去过两次,最近的一次是四年前。
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