2 sentences for 繪圖 (huì​tú — to draw)

1. 您需要了解绘图的基础知识。

   nín xū​yào liǎo​jiě huì​tú de jī​chǔ zhī​shi.

   You need to understand the basics of drawing.

   Source: CCMatrix

2. 我需要绘图计算器或特殊数学软件吗？

   wǒ xū​yào huì​tú jì​suàn​qì huò tè​shū shù​xué ruǎn​jiàn ma?

   Do I need a graphing calculator or special mathematical software?

   Source: CCMatrix