In each of the studies, some patients chewed no gum and others chewed sugarless gum three times a day after surgery for five to 45 minutes.

在每一项研究中，一部分患者不嚼口香糖与另一部分患者一天嚼三次口香糖，每次嚼5到45分钟。

youdao

Three office blood pressure measurements were taken the next day, after the subjects had rested for five minutes.

第二天在保证五分钟的休息情况下，在医院做了三个血压检测。

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Here the "timely", including the timely review after class, three minutes of time to close your eyes to review the key points and difficulties, noon lunch break to review again, up to five minutes.

这里的“及时”，包括下课后及时复习，三分钟的时间闭上眼睛回顾本课重点和难点，中午午休要再次复习，至多五分钟。

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Contrini went ahead after 50km of the 165km stage and finished five minutes and three seconds clear of the peloton.

BBC: SPORT | Other Sport... | Cycling | Solo break nets win for Contrini

The Blues overcame the sending-off of lock Troy Flavell after just five minutes to dominate possession and score four tries to Waikato's three.

BBC: Andrew Mehrtens