评论
打印
Infection rates across the U.S have increased by over 300 percent in under a month.
increase by 增加了
eg. This year's production was increased by 20 percent.
今年的产量增加了20%。
【相关短语】 increase to 增加到
eg. In 2004, the European Union increased to 25 members.
2004年，欧盟扩展到25个国家。
in under a month 在不到一个月的时间里
under在这里的意思是“少于”
eg. The number of students in each class must not be under twenty.
每班的学生不得少于20名。
【相似表达】 within a month 一个月内
关注微信公众号【可可双语精读】获取更多双语学习资料。
