1 sentence

1. 在中国古代数学中，直角三角形较长的直角边被称作股。

   zài Zhōng​guó gǔ​dài shù​xué zhōng, zhí​jiǎo sān​jiǎo​xíng jiào cháng de zhí​jiǎo biān bèi chēng​zuò gǔ.

   In ancient Chinese mathematics, the longer leg of a right-angled triangle was called the 'gu'.

   Source: Dong Chinese Dictionary