Quadrillions
n. 千的五次方，百万的四次方( quadrillion的名词复数 )
🗣️ 情景例句
Thanks for your information and for being so helpful.
谢谢你的帮助和提供的讯息。
My parents got married in 1
我父母1954年结婚的。
He is physically mature.
他身体己发育成熟。