1、
To cause ( the skin ) to redden or grow hot, as from strong emotion or stimulants.
使 ( 皮肤 ) 变红或变热, 通常由于强烈的情感或刺激.
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2、
The skin may redden after use, but it gradually disappears in a little while.
使用完之后,红点处会产生像是去壳的小米的现象, 可是在几天之后,就会逐渐地消失.
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3、
Han seemed to redden slightly, like the sun suddenly showing through on a cloudy day.
韩学愈似乎脸色微红, 像阴天忽透太阳.
汉英文学 - 围城
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When turning ripe, you must redden, for red is the true colour of life.
走向成熟, 就必须变红;红, 是生命的本色.
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8、
To cause (the skin) to roughen, redden, or crack, especially as a result of cold or exposure
使（皮肤）变粗糙、变红或皲裂，尤指寒冷或暴露所致
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