| 单词 | detectors |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔MUST/DON'T HAVE TO〕Smoke detectors are compulsory in all new buildings. 所有新建筑物内都必须安装烟雾探测器。朗文写作活用〔NEED/NECESSARY〕He accused the local council of allowing a needless tragedy, through a policy of not fitting smoke detectors to council houses. 他指责地方议会不在市建住房里安装烟雾报警器的政策酿成了一场不必要的悲剧。朗文写作活用〔a sign of the times〕Having metal detectors in schools is a sign of the times.学校里配备金属探测器是时下流行的做法。韦氏高阶〔advocate〕The report advocated that all buildings be fitted with smoke detectors.报告主张所有的建筑物都应安装烟火探测器。牛津高阶〔advocate〕The report advocated that all buildings should be fitted with smoke detectors.报告主张所有的建筑物都应安装烟火探测器。牛津高阶〔cheaply〕Smoke detectors are cheap and easy to put up.烟雾报警器既不贵又易于安装。柯林斯高阶〔cheap〕Smoke detectors are cheap and easy to put up.烟雾报警器价格便宜, 容易安装。外研社新世纪〔divest〕Detectors were installed at the entrances to make youngsters divest themselves of guns and knives.入口处安装了探测器, 迫使年轻人放下身上携带的枪支刀具。外研社新世纪〔fix〕Smoke detectors should be fixed to the ceiling.烟雾探测器应该固定在天花板上。麦克米伦高阶〔regulation〕Smoke detectors must be installed to comply with fire regulations.遵照消防条例必须安装烟雾探测器。麦克米伦高阶〔set off〕Your watch will probably set the metal detectors off.你的手表有可能会触发这个金属探测器。韦氏高阶〔sferics〕The study of atmospherics, especially using electronic detectors.大气学：对大气的研究，尤指用电子仪器美国传统〔use〕Metal detectors have many uses.金属探测器有多种用途。外研社新世纪Many people use metal detectors in fields and on beaches in the hope of finding buried treasure.许多人在地里和沙滩上使用金属探测仪，希望找到埋藏的宝藏。剑桥国际Metal detectors are used in airports to check that people are not carrying weapons.金属探测仪被用于机场以核查人们没有携带武器。剑桥国际The device is controlled by light-/heat-sensitive detectors.该设备由光敏/热敏监测器控制。剑桥国际They installed smoke detectors in every room to comply with building regulations.为了符合建筑条例，他们在每个房间都安装了烟雾探测器。牛津商务They plan to install motion detectors on many appliances.他们计划在许多装备上安装移动感应器。牛津商务 |
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