By enduring its incessant and painful prickling , the clam turnsgrain of sand into a pearl.
珍珠的形成,皆因蚌能竭力忍受, 沙粒不断刺激的痛苦.
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缫丝废液的综合利用利用钢铁酸洗废液处理印染废水
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He rubbed his forehead; it was prickling again, he had not hurt like this for more than a year.
他搓了搓额头。额头又开始阵阵刺痛,这痛已有一年多没发作了。
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穴位刺血疗法对实验性变应性鼻炎IL-4和血清总IgE的影响
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