直径 zhíjìng diameter
怎么记住“直径”: 直 straight + 径 path = diameter.
汉字
用法
- The geometry term for diameter - 这个圆的直径是十厘米 (zhège yuán de zhíjìng shì shí límǐ) this circle's diameter is ten centimeters.
- Pairs with 半径 (bànjìng, radius); a plain technical noun with no register nuance.