To avoid knee pain, you can run on soft surfaces to strengthen your leg muscles.

为避免膝盖疼痛，您可以在柔软的平面上跑步以增强腿部肌肉。

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To avoid knee pain, you can run on soft surfaces, do exercises to strengthen your leg muscles, avoid hills and get good running shoes.

为避免膝盖疼痛，你可以在柔软的地面上跑步，多加练习来加强腿部肌肉，尽量不在斜坡上跑，并买双好的跑鞋。

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Lanolin: it sounds soft and comforting, like the kind of fluffy material you'd use to protect a grazed knee.

羊毛脂：听起来让人感觉柔软舒服，就像您平日用的那松软的、附着绒毛的护膝。

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