英文词源
- roughly (adv.)
- c. 1300, "ungently, violently," from rough (adj.) + -ly (2). Meaning "approximately, without precision or exactness" is from 1841.
中文词源
rough,粗糙的，-ly,副词后缀。引申词义粗略，大致。
该词的英语词源请访问趣词词源英文版：roughly 词源，roughly 含义。
rough,粗糙的，-ly,副词后缀。引申词义粗略，大致。
