词族 · proven
词形变化
英语词源
- proven (adj.)
- 1650s, past participle adjective from alternative past participle (originally in Scottish legal use) of prove (v).
权威例句
- 1. Few would argue that this team has experience and proven ability.
- 这个队伍的丰富经验和表现出来的实力是众所公认的。
- 2. In the past this process of transition has often proven difficult.
- 过去这一过渡过程常常很艰难。
- 3. a student of proven ability
- 确有才华的学生
- 4. He has a proven track record in marketing.
- 他有可靠的销售业绩记录。
- 5. No funding will be available until the technology is completely proven.
- 该技术得到充分验证后才会有拨款.