复数： trillions

Student loan debt hit a trillion dollars last year .

学生贷款在去年达到了一万亿美元。

China 's foreign-exchange reserves now exceed $ 2 trillion .

现在，中国的外汇储备超过了2兆美元。

Estimates of tepco 's liabilities range between 4 trillion and 25 trillion .

东京电力公司估计要承担4万亿到25万亿的赔偿责任。

In today 's recessionary world , the ecb could buy several trillion euros-worth of bonds without unleashing inflation .

在今天这样一个衰退的世界里，欧洲央行可以买进数万亿欧元价值的债券而不引起通货膨胀。

Currency reserves are approaching $ 2 trillion .

目前国内外汇储备接近2万亿。