An amazing new gadget that has been developed for the 2020 Olympics in Tokyo will translate Japanese into three different languages within a matter of seconds.

【翻译】为2020年东京奥运会开发的一款神奇而新颖的翻译工具，将在几秒钟内把日语翻译成三种不同的语言。

【分析】本句不存在介词接从句的问题。句子成分分析如下：

An amazing new gadget （主语）that has been developed for the 2020 Olympics in Tokyo （定语从句）will translate （谓语）Japanese （宾语）into three different languages（结果状语） within a matter of seconds（时间状语）.

【提示】问题在提交之前，应先检查一下有无单词拼写错误、大小写和标点符号是否正确。