中英释义：
双语例句
他补充到，如果一个人担心患心脏病，那么他就不要吸烟并且要时刻注意体重和多做锻炼。
He added that anyone concerned about having a heart attack should not smoke and should watch their weight and exercise more.
重点词汇
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锻炼
exercise; work out; temper; take exercise; have physical training; keep fit; training; workout; discipline; physical exercise