By smoothing out wrinkles.

通过平滑皱纹。

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Botox, which is best known for smoothing facial wrinkles, is not approved as a headache treatment.

肉毒素可以减少面部皱纹，但并没有被批准用来治疗头痛。

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"My dress is blue and white checked," said Dorothy, smoothing out the wrinkles in it.

“我的衣裳上面是蓝色和白色的格子，”多萝茜一边说着，一边在压平衣服上的皱纹。

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