🔍 牛津詞典 🎯
🔍 朗文詞典
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典

檢索以下詞典:
(Mr. Ng 不推薦使用 Google 翻譯!)
最近搜尋:
BNC: 0 COCA: 44514

radian

noun
/ˈreɪdiən/
/ˈreɪdiən/
(geometry几何)
jump to other results
  1. a unit used to measure an angle, equal to the angle at the centre of a circle whose arc is the same length as the circle’s radius弧度
    Word Originlate 19th cent.: from radius + -an.
BNC: 0 COCA: 44514
BNC: 0 COCA: 44514
BNC: 0 COCA: 44514

👨🏻‍🏫 Mr. Ng 牛津詞典 📚 – oxford.mister5️⃣.net
切換為繁體中文
Site Uptime