国库券的英文：
treasury bill issued by a goverment
treasury bonds

参考例句：

Certificate treasury bond
凭证式国库券

Government bond
政府债券，公债，国库券

treasury是什么意思：
n. 库房；宝藏；集锦；基金

to service treasury Bonds
支付国债利息

a treasury of English poetry
英诗集锦

a treasury of English verse.
英国诗歌集锦

bill是什么意思：
n. 帐单；广告；法案；钞票；清单
v. 宣布；用海报宣传；开账单

bill of indictment
刑事起诉书

The bill was negatived.
这议案遭到了否决。

It does not operate as a negotiation of the bill.
它不能作为汇票流通转让。