on the stroke

基本解释

Internet time servers and speaking clock services will need to make the change on the stroke of midnight.
互联网时间服务器和报时服务系统，也需要在午夜调整表盘指针的位置。
Although depression isn't the most important risk factor for stroke, the researchers say it likely has a noticeable impact on the stroke rate.
尽管沮丧情绪不是中风的最重要的风险因素，但它也是导致中风的一个值得关注的因素。
Johnson doubled Liverpool's lead on the stroke of half-time when he volleyed home from close range after James Beattie had blocked Kuyt's header on the line.
马上就要中场休息的时候，约翰逊在比蒂（James Beattie）挡住了库伊特（Kuyt）头球的机会后，一脚近距离的射门将领先的比分又翻了一倍。

"We estimate in WHO that over thirty million lives can be saved in the next ten years by simple measures -- reducing the level of salt by fifteen to twenty percent, reducing the amount of tobacco, and increasing the number of people who are at risk of a heart attack and stroke to be on simple preventive treatment."