"You wrap up warm an' run out an' play you," said Martha.
“你穿上暖和的衣服,出去玩。”玛莎说。
Warm up with a 10-minute run to the base of a hill that has a steady (but not overly steep) slope.
花10分钟时间,跑到有些坡度(但不能太过陡峭)的小山脚下,当作一次热身。
They may feel numb at first, but they should warm up a few minutes into your run.
他们可能开始是麻木的,但是跑步几分钟之后应该能暖和起来。
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