triplicate radio circle

例句：

1. 1. The teacher triplicated thelesson plan to ensure all students understood it.
   老师将课程计划复制了三份以确保所有学生都理解。
2. 2. Thecompany tripled its profitsin the last quarter.
   该公司上一季度的利润翻了一番。
3. 3. Thescientist tripled the amountof sugar in the solution.
   科学家在溶液中增加了三倍的糖量。