quadrillion

US /kwɑ:ˈdrɪljən/

UK /kwɒˈdrɪljən/

C2 高級
n. (c.)可數名詞百萬之四次方
It would take about 170 light years to travel a quadrillion miles

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桑迪的樹球有多真實??海綿寶寶深潛

06:26桑迪的樹球有多真實??海綿寶寶深潛