万亿用英语怎么说

万亿在英语中叫做 "trillion".
来源：这个词源自拉丁语 "trillions"，意思是三个"兆"， 在数学上，一个兆是十的六次方。
例句：
The national debt has surpassed 20 trillion dollars.
(国债已经超过了20万亿美元)
The company's market value is estimated to be worth over a trillion dollars.
(公司的市值估计超过了1万亿美元)
The new project will cost several trillion yen.
(新项目将会花费数万亿日元)