| 单词 | 活性的 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔Salk vaccine〕A vaccine consisting of inactivated polioviruses, used to immunize against poliomyelitis.索尔克疫苗：包含有抑制小儿麻痹症病毒活性的疫苗，用于免疫小儿麻痹症（脊髓灰白质炎）美国传统〔allosteric〕Of or involving molecular binding to an enzyme at a site other than the enzymatically active one.变构的：分子结合在酶的一个位点上，而不是结合在一个有活性的酶上美国传统〔breathtaking〕His performance is described in the paper as "a breathtaking display of physical agility".他的表演被报纸誉为“人体灵活性的精彩展现”。剑桥高阶〔iconoscope〕An early form of a television-camera tube, equipped for rapid scanning of an information-storing, photoactive mosaic.光电摄像管：电视摄像管的早期的一种形式，用于快速扫描储存信息库和光活性的画面美国传统〔immunocompetent〕Having the normal bodily capacity to develop an immune response following exposure to an antigen.有免疫能力的，免疫活性的：在感染到抗原后身体能正常产生免疫反应的美国传统〔inactive〕Chemistry Not readily participating in chemical reactions.【化学】 无活性的：化学反应中无活性的美国传统〔phytochemical〕A nonnutritive bioactive plant substance, such as a flavonoid or carotenoid, considered to have a beneficial effect on human health.植物性化学成分，植物化学物质：非营养生物活性的植物成分，如类黄酮或胡萝卜素，被认为有益人类身体健康美国传统〔planchet〕A small shallow metal container in which a radioactive substance is deposited for measurement of its activity.样品皿：用于存放放射性物质以测量其活性的小而浅的金属容器美国传统〔reactive〕Chemistry Physics Tending to participate readily in reactions.【化学】 【物理学】 活性的，化学性质活泼的：容易参加化学反应的美国传统〔surface-active〕Of, relating to, or being a substance capable of reducing the surface tension of a liquid in which it is dissolved. Used especially of detergents.表面活性的：（尤指洗涤剂），能够减小作为其溶剂的液体之表面张力的物质的，与这 物质有关的，是这种物质的美国传统〔thick〕Informal Lacking mental agility; stupid.【非正式用语】 愚钝的：智力上缺乏灵活性的；愚笨的美国传统〔thyrotoxicosis〕A toxic condition resulting from excessive amounts of thyroid hormones in the body, as occurs in hyperthyroidism, for example.促甲状腺激素：脑垂体前叶分泌的一种能刺激和调节甲状腺活性的激素美国传统 |
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