| 词汇 | psa |
| 释义 | PSA noun uk /ˌpiː.esˈeɪ/ us /ˌpiː.esˈeɪ/ PSAnoun (MEDICAL)[ U ] abbreviation for prostate specific antigen: a chemical substance produced in the body that can be measured to see if a person could have cancer of the prostate(= an organ near the penis that produces a liquid that mixes with and carries sperm): When something is amiss with the prostate, PSA leaks into the blood. Rising PSA levels may signal prostate cancer. PSA testing is controversial as it is not very reliable. My PSA went from about 2.6 to 4.1 in the last year. PSA scores of four or higher should be followed up by a biopsy. Research shows that seven out of 10 men with a high PSA test will not have cancer. Substances & structures in the body abductor accessorius ACL actin adductor fundus funiculus fusiform glomerular glomerulus myosin navicular neuroendocrine neurohormonal neurohormone tendinous tendinum tendo tensor Th PSAnoun (ANNOUNCEMENT)[ C ] abbreviation for public service announcement: an announcement made on TV, the radio, or the internet in order to give the public an important message, for example about a health issue: Often, these PSA campaigns have slogans, for example: Drive Alive, Buckle Up. The PSA was unveiled a little over a month ago, and it already has more than two million views on YouTube. Many radio stations see themselves as having a social responsibility to broadcast interviews, feature stories, and PSAs designed to promote local charitable ventures. The council has developed a new 30 second PSA entitled, "Quiz". Information and messages advance notice advance warning advertisement aide-mémoire ammunition bumper sticker credential flier gory guideline handout info push notification radiogram readout relabel subtlety telemetry the gory detailsidiom the real deal PSA | Business EnglishPSA noun[ S ] ukus FINANCE abbreviation for Public Securities Association: an organization of bankers and share dealers that was responsible for making sure that shares were traded in an honest and fair way. In 2006 the Public Securities Organization became the Bond Market Association before merging with the Securities Industry Association to form the Securities Industry and Financial Markets Association. |
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