Guarantee有哪些用法guarantee to do sth 保证会做某事如：i guarantee to pay off his debts. Gr：guaranteed reagent（优级纯试剂） ar：analytial reagent（分析纯试剂） cp：chemical pure（化学纯试剂） lr：laboratory reagent（实验试剂） 优级纯（gr，绿标签）：主成分. 【急需】人教版英语选修七第二单元satisfaction guaranteed的课文原文（英语版）larry belmont worked for a company that made robots.
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Sth =guarantee sth to sb.
