吃透英语课本，提升在校竞争力
adv. 粗略地；大约；粗暴地
比较级：more roughly
最高级：most roughly
There were roughly 200 people there.
那儿大约有200人。
Azaleas flower at roughly the same time each year.
杜鹃花每年的开花时间大致相同。
adv.粗糙地；概略地
coarsely
crudely
