protective ♦︎ defensive ♦︎ preventive ♦︎ precautionary ♦︎ waterproofThese words all describe sth that is intended to protect sb/sth.这些词均表示保护的、防护的。PATTERNS AND COLLOCATIONS 句型和搭配◆a protective / defensive / preventive / precautionary measure / action◆a defensive / preventive / precautionary approach◆protective / waterproof clothing■protective / /prəˈtektɪv/ / [only before noun] intended to keep sb/sth safe from injury, damage or loss保护的；防护的◆Workers should wear full protective clothing.工人应该穿着全套防护服。◆The ozone layer forms a protective barrier against the sun's rays.臭氧层是抵御太阳射线的保护层。 see also protection ⇨ security■defensive / /dɪˈfensɪv/ / intended to keep sb/sth safe from attack防御的；保护的；保卫的◆Troops are taking up a defensive position around the town.部队在城的周围设置了防卫力量。 see also defence ⇨ precaution■preventive / /prɪˈventɪv/ / ( preventative / /prɪˈventətɪv/ / ) [only before noun] intended to stop sth before it happens, especially sth that causes problems预防性的；防备的◆She stressed the importance of basic health education and preventive medicine.她强调了基本健康教育和预防医学的重要性。◆The police were able to take preventive action and avoid a possible riot.警方得以采取防范措施，避免了一场暴乱的发生。 see also prevent ⇨ prevent■precautionary /prɪˈkɔːʃənəri; NAmEprɪˈkɔːʃəneri/ (ratherformal) done in order to prevent possible problems or avoid danger预防性的；防备的◆He was kept in hospital overnight as a precautionary measure.为谨慎起见，他留院观察一夜。 see also precaution ⇨ precaution■waterproof /ˈwɔːtəpruːf; NAmEˈwɔːtərpruːf, ˈwɑːtəpruːf/ that does not let water go through防水的；耐水的◆a waterproof jacket防水夹克ⓘ There are a number of other compound adjectives formed with -proof, that describe things that can resist or protect against the thing mentioned. Examples include rainproof, windproof, heatproof, fireproof and shatter-proof.-proof还可构成其他一些复合形容词，意为“防⋯的、耐⋯的”，如rainproof（防雨的）、windproof（防风的）、heatproof（耐热的）、fireproof（防火的）和shatter-proof（防碎的）◆The car has childproof locks on the rear doors.这辆车的后门有儿童锁。◆an inflation-proof pension plan防通胀养老金计划