quadrillionth /kwɔ'drilijәnθ/ 📖 中文释义 a. 千万亿分之一的adv. 千万亿分之一地n. 千万亿分之一 📘 English Definition(英文释义) n one part in a quadrillion equal partss the ordinal number of one quadrillion in counting order ← quadrillions Q 字母词表 quadrilobate →