1.The salesman is still persisting with his demands.

1.那店员仍在坚持的要求。

2.Persist in progress and oppose retrogression !

2.坚持进步, 反对倒退!

3.He persisted that he (should) walk there.

3.坚持要步行去那里。

4.The detective stubbornly persisted with his questions.

4.侦探执意继的题。

5.He persists in denying his knowledge of it.

5.一再否认知情。

6.His strength of will enabled him to persist.

6.的意志力使能坚持下去。

7.Though handicapped by poor health, she persisted in working.

7.她虽身体不好, 还是坚持工作。

8.The bad weather will persist all over the country.

8.这种坏天气将在全国各地持下去。

9.Most of them persist in setting strict demands on themselves.

9.大多数人坚持严格要求自己。

10.They persisted in going there in spite of the bad weather.

10.尽管天气很坏, 还是坚持去那里。

11.On the tops of very high mountains snow persists throughout the year.

11.高山顶上, 积雪终年不化。

12.Despite efforts to eradicate it, corruption persists,though it doesn't accelerate.

12.尽管人努力想根除腐，但腐仍存在着，虽然没有恶化。

13."Though handicapped by poor health, he persisted in working at the research project."

13."虽然身体不好,还是坚持这项课题的研究。"

14.Symptoms persisted and 13 of 16 underwent surgery again, during which necroses were found.

14.症状继并且16人中13人又要在发坏死后再次进行手术。

15.The tendency still persists.

15.这种倾向一直存在。

16.She persisted in her opinion.

16.她固执己见。

17.She persisted with her work.

17.她坚持做她的工作。

18.He persisted with his interrogation.

18.一直在坚持此事。

19.Neither rounds nor longways persisted in American folk dancing proper, although both formations are found in children's games, and the still-popular "Virginia Reel" is a longways.

19.虽然“站圈舞”与“列队舞”对美国的儿童游戏仍然有影响，但它在美国纯民间舞蹈中已风光不再。不过，在依然流行的“弗吉尼亚舞”确是列队舞的一种。

20.As the material is deformed beyond the strain that elastic deformation persists, the stress is no longer proportional to strain, and permanent, nonrecoverable, or plastic deformation occurs.

20.当材料的形变超出弹性形变发生的范围，其应力将不再与应变成正比，永久的、不可回复的形变发生，即为塑性形变。