breakthrough
n.
1918, in a military sense, from break, v. + through, adv.. The verbal phrase is attested from c.1400. Meaning "abrupt solution or progress" is from 1930s, on the notion of a successful attack.
词汇 | breakthrough |
词根词缀 | Online Etymology Dictionary breakthrough n. 1918, in a military sense, from break, v. + through, adv.. The verbal phrase is attested from c.1400. Meaning "abrupt solution or progress" is from 1930s, on the notion of a successful attack. |
随便看 |
英语词根词缀词典收录了54763条英语词根词缀词条,基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析,是记忆英语词汇的必备工具。