🔍 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: 42452

tetrahedron

noun
/ˌtetrəˈhiːdrən/
/ˌtetrəˈhiːdrən/
(geometry几何)
jump to other results
  1. a solid shape with four flat sides that are triangles四面体
    Topics Colours and Shapesc2
    Word Originlate 16th cent.: from late Greek tetraedron, neuter (used as a noun) of tetraedros ‘four-sided’.
BNC: 0 COCA: 42452
BNC: 0 COCA: 42452
BNC: 0 COCA: 42452

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