坚持锻炼不仅能增强体力，还能改善睡眠质量。
Not only do regular workouts boost your energy, but they also improve your quality of sleep.
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not英 /nɒt/|美 /nɑt/
only英 /ˈəʊnli/|美 /ˈoʊnli/
but英 /bʌt/|美 /bʌt/
also英 /ˈɔːlsəʊ/|美 /ˈɔlsoʊ/
解释
not only 句首触发主谓倒装，用助动词 do 置于主语 workouts 之前；but also 连接第二个好处，构成递进强调。
Not only do regular workouts boost your energy, but they also improve your quality of sleep.
not only 句首触发主谓倒装，用助动词 do 置于主语 workouts 之前；but also 连接第二个好处，构成递进强调。