where引导的表语从句

问题描述

The world's most nimble spokes kitty has struck again.

This time in Taiwan.

That's where a high-speed train painted in the colors of Hello Kitty made its maiden round trip Monday between the cities of Taipei and Taitung.

请问：that 指的是“台湾”，那 where 指的是什么（我知道它引导表语从句）？

老师答疑

谭老师：

翻译：在那里，画着 Hello Kitty 图案的高铁于周一在台北市和台东市之间进行了首次往返。

疑问副词 where 指 in Taiwan，整个表语从句也可以理解为 That's the place in which a high-speed train ...