这每周三次的健美操课能给你承诺？
第一和第三次的爆发的火山灰覆盖了大部分北美州。
Both the first and third eruptions covered most of North America with ash.
父亲接住了孩子两次，但第三次的时候后退了一步让他跌倒。
The father catches the boy twice, but the third time steps back and lets him fall.
但是皇室将继续发现难以掌控过去三年曾解散过三次的国会。
But the royal family will continue to find it hard to control parliament, which has been dissolved three times in three years. See article.
5个用户三次的最终测试效果要远高于15个用户测试一次的效果。
The ultimate user experience is improved much more by three tests with 5 users than by a single test with 15 users.
对于大多数人来说，一组主要肌群的力量训练只需每周两到三次的训练就足够了。
For most people, one set of strength exercises for major muscle groups performed two to three times a week is sufficient.
因此，许多人在第一，第二，或第三次的否定后，潜在的放弃便产生了。
No. No. "so many people who begin businesses that have so much potential give up after the first, second, or third no."
在被称为“味觉测试”的第三次的试验中，参加者的任务是决定给其他品尝者吃多少辣酱。
A third experiment was described to participants as a taste test: their task was to decide how much hot sauce to give to other tasters.
但是经历了第三次的艰难化疗，他未能恢复过来，脸色依旧苍白，整个人也显得无精打采的。
But he failed to bounce back after the difficult chemo, remaining pale and listless.
自从20世纪70年代以来，这样的暴涨是第四次，而前三次的结果均是经济不景气紧随而来。
The boom was the fourth since the early 1970s, and on each of the three previous occasions a bust had followed.
参与者被随机地指定做一种每年一次共三次的影像学检查——低剂量螺旋CT或标准X射线胸透。
Participants were randomly assigned to receive three annual screenings with either the low-dose spiral CT or the standard chest X-ray.
这次的聚会被称作“第一场晚宴”，根据《财富》杂志报道，自那之后还有过第二次和第三次的晚宴。
The meeting was called the "first supper". There have been, according to Fortune, second and third suppers since then.
带声音、字幕和译文并且最多可播放三次的订阅服务，其定价可能会高于根据许可协议将多媒体复制到CD的情况。
Subscribing to play for a maximum of three times with audio, caption, and translation features on could be priced more than copying multimedia onto CDs with the license agreement.
即使考虑了这一波动，TSI在前三次的太阳极小期中依然下降到相同的水平，然而在这次较长的极小期却不是这样子了。
Despite this variation, the TSI has dipped to the same level during the three previous solar minima. Not so during this recent elongated minimum.
德约科维奇在此前三次的美网公开赛都输给了费德勒，一次在2007年的决赛，另外两次分别是2008-09的半决赛。
Djokovic had lost to Federer at each of the previous three U.S.Opens, in the 2007 final and the 2008-09 semifinals.
德约科维奇在此前三次的美网公开赛都输给了费德勒，一次在2007年的决赛，另外两次分别是2008-09的半决赛。
Djokovic had lost to Federer at each of the previous three U. s. Opens, in the 2007 final and the 2008-09 semifinals.
德约科维奇在此前三次的美网公开赛都输给了费德勒，一次在2007年的决赛，另外两次分别是2008-09的半决赛。
Djokovic had lost to Federer at each of the previous three U.S. Opens, in the 2007 final and the 2008-09 semifinals.
在最早的报告中，研究人员结合所有目前关于该问题的研究发现，每周至少与家人共餐三次的孩子超重的几率比其他孩子小12%。
In the first report to combine all existing studies on the issue, they found kids who eat with their parents at least three times a week had 12 percent lower odds of being overweight.
HelpAReporterOut (HARO)是一个每日发布三次的电子邮件，并附带许多记者发出的“专家来源”要求。
Help a Reporter Out (HARO) is a 3 times daily email newsletter with dozens of 'expert source' requests from journalists.
犯人一天三次靠一杯最差的粥维持生活。
The prisoners subsisted on one mug of the worst quality porridge three times a day.
这是我一周内的第三次来访，这本身就说明了一切。
这将是他的第五次国际锦标赛，也是他的第三次成人级别比赛。
This will be his fifth international championship and his third at senior level.
这是她连续获得的第三次胜利。
这是她连续获得的第三次胜利。
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