It's the one vaccine that you have to get three shots over a period of six months.

这种疫苗需要你在六个月里注射三次。

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In the late 1990s, the big servers seemed unstoppable and rallies of more than three shots were a rarity.

90年代末，大力发球的选手看似势不可挡，超过3拍的相持很少见。

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In H.D.R. mode, the camera snaps three shots in succession: one that favors the brights, one normal, one that favors the darks - and combines them.

在H.D.R模式下，相机会连续捕捉三张照片：一张偏亮，一张正常，一张偏暗，然后将这三张照片组合成一张。

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"A bulletin from CBS News. In Dallas Texas, three shots were fired at President Kennedy's motorcade in downtown Dallas.

VOA: special.2009.08.16

For example, what if you could make a hepatitis vaccine that was good in one shot instead of three shots?

比方说,如果你研制的一种肝炎疫苗,只需接种一次,而不是三次会怎么样

耶鲁公开课 - 生物医学工程探索课程节选

It's the one where you have to get three shots over a period of six months, and so you have to remember to go back, you get a first ba--you get a first shot, you have to remember to go back after a month and get a second shot, you have to go back after six months and get a third shot.

这种疫苗需要在六个月里注射三次,所以你要记得再去,你第一次,你第一次注射后,你要记得一个月后再去注射第二次,六个月后,你还得再去注射第三次

耶鲁公开课 - 生物医学工程探索课程节选

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