Exa
千兆兆, 艾(克沙)(=10的15次方), 穰(=10的18次方)
🗣️ 情景例句
Yes, I went to the aerobics class today.
去了啦， 我上了有氧运动课了。
By other's faults, wise men correct their own.
他山之石，可以攻玉。
Wei Hua's pen was broken, so she needed a new one.
魏华的钢笔坏了，所以她需要一支新笔。