preclude的现在分词

1. 阻止，防止，预防，避免，排除……的可能
2. 妨碍，阻断，阻碍，
3. 杜绝，消灭，消除
4. 使…不可能，使…行不通

1. keep from happening or arising; make impossible;

   "My sense of tact forbids an honest answer"
   "Your role in the projects precludes your involvement in the competitive project"
   

2. make impossible, especially beforehand

1. 阻止：该条文说,即使一名外国人士在申请留学签证的同时,也有在未来取得永久居民(permanent resident)的意图(intention),只要移民官满意,他们在学生签证到期,无法继续居留后会离开,则不能阻止(preclude)他们取得留学签证.

2. 使不能,妨碍,阻止：precise 精确,正确的 |preclude 使不能,妨碍,阻止 | precocious 早熟,过早的

3. 排除,消除,妨碍：precision sliding microtome 精密滑动式切片机 |preclude 排除,消除,妨碍 | precooler 预冷器

4. 妨碍,阻止：occlude 封闭,遮断 |preclude 妨碍,阻止 | recluse 隐士,遁世者

• preclude the possibility排除可能

• preclude sb from doing sth阻止某人做某事

• Immaturesan adjective which does not preclude a university professor here or there.

  出自：G. Greene

• Dad said, 'No, Louis' in a clipped voice that precluded all further enquiries.

  出自：P. Norman

• The ward..was so constituted that it precluded rest or sleep.

  出自：A. S. Byatt

1. preclude的基本意思是“阻止”“排除”“妨碍”,即阻止某事发生或阻止某人干某事,强调由于某种情况、条件或预防措施的存在有效地排除了某事发生或某人做某事的可能性。
2. preclude是及物动词,可接名词、代词或动名词作宾语,可用于被动结构。