The yield on the 10-year Treasury fell slightly to 3.40. It traded at 3.42 late Thursday.

10年期美国国债收益率从周四的3.42%下跌到3.40%。

youdao

At about 3.40 in the morning, someone burst into my room and started running toward the bed.

凌晨，大约3点40左右，一个人突然闯了进来，直奔我床的方向。

youdao

But students from the University of Washington may have come up with a solution, and all it will cost is $3.40 each.

但是华盛顿大学的学生们或许已经想到了一个解决的方法，并且每台这样的设备只需要话费3.4美元。

youdao

For example, the rate of breast cancer in Japan, Singapore and Korea is now 3 times what it was 40 years ago.

VOA: special.2009.01.13

That comes to around 3,000 deaths a day or one death every 40 seconds.

VOA: standard.2009.09.10