同根派生 power lines相關詞英漢例句The basic facilities, services, and installations needed for the functioning of a community or society, such as transportation and communications systems, water and power lines, and public institutions including schools, post offices, and prisons.基礎設施社會或社區(qū)正常運作所需要的基本設施，服務和安裝設備等，如交通與通信系統(tǒng)，水與電力供給線，以及學校、郵局和監(jiān)獄等公共機構(gòu)power lines更多例句