| 单词 | 含铅量 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔high〕The pipes contain a high level of lead.这些管子的含铅量很高。麦克米伦高阶〔overabundance〕There is an overabundance of lead in the water.水中含铅量过高。韦氏高阶〔regulate〕The government regulates how much lead may be found in our water supply.政府限定了我们自来水中的含铅量。韦氏高阶〔test〕The water should be tested for lead.这水要检测含铅量。朗文当代A study is under way to determine the exact concentration of lead in the local water supply.一个测定当地自来水中确切含铅量的调查正在进行当中。剑桥国际High levels of lead have been detected (= discovered using special equipment) in the atmosphere.已经检测出大气中含铅量很高。剑桥国际 |
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