单词：chelation
n. the process of forming a ring by forming one or more hydrogen bonds
chelation的用法和样例：
例句
- One suggested treatment, chelation, requires the patient to ingest a chemical that binds to arsenic and aids its excretion.疗法之一是利用螯合作用，让患者摄入一种化学物质，使它与砷结合并帮助砷排出。
- She is an expert in using natural therapies, including chelation therapy, to improve the health and well being of her patients.她是一名天然药物专家，包括螯合作用，提高人类健康，是患者的福音。
词汇搭配
- ecology chelation生态螯合
- chelation group螯合基团
- chelation therapy[化] 螯合疗法...
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