他说他将以在8月举行的世界锦标赛上打破100米世界纪录为目标。
He said he would aim for the 100 metre world record at the world championships in August.
两年后，艾米丽已经达成了30磅的减肥目标，而且知道自己可以保持健康的生活习惯。
Two years later, Emily has reached her 30-pound weight loss goal and knows she can keep up her healthy habits for life.
你要在场地中进行10组800米间歇跑，在一定的目标时间内完成。
How it works: you do 10 repeats of 800 meters (on the track), working up to a certain goal time.
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