读一读
12bc39b914cc732adcb8a3eb5fb2e13e

Authoring

Partial or all of the text content may have been taken from one or more of the following sources. We have done our best to maintain the text as-is without any changes. We also make sure no profit is made from this. 

此处的部分或全部的文字内容可能来自以下的一个或多个来源。我们已尽力保证保持原作文字不变。我们也确保不从此牟利。

-Singapore Primary Chinese Textbook

-Singapore Secondary Chinese Textbook