它深清洁皮肤，去除角质，促进血液循环，并增加了一般福祉。
It deep-cleanses the skin, exfoliates, stimulates blood circulation, and adds to general well being.
笑是一种有益健康的活动，因为它促进肠胃的蠕动，促进呼吸及血液循环，叫我们放松。
Laughing is a beneficial activity because it helps bowel movement, increases our breathing and circulation and makes us relaxed.
而化学工程有幸作为这样一个理想的学科正是要致力于减少浪费，促进再生循环和其它“环境友好”的措施来清除它早期所犯下的错误。
Chemical engineering is fortunately placed as the ideal discipline to reduce waste and to improve, recycling and other environmentally friendly measures to help clear up its earlier mistakes.
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