For many years the attention of environmental engineering was devoted largely to the development of safe water supplies . 在環(huán)境工程方面,人們多年來把注意力集中在水源的開發(fā)上。
He made for the moment no further reference to their great question, but dipped again into shallower and safer waters . 他暫時沒有再提到他們那個偉大的問題,只是談些無關(guān)緊要的,不涉及感情的話。
A stable and safe water supply is essential to mankind 穩(wěn)定及安全的水源對人類至為重要。
Sustainable and safe water supplies international symposium at hku 可持續(xù)及安全的食水供應(yīng)國際研討會在港大舉行
safe waterとは意味:安全{あんぜん}な水◆バクテリアや金屬類を含まず、飲料向けとされる水のことだが、味や色、およびミネラル分は考慮されない safe water перевод:вода, которая не содержит вредных бактерий, токсичных веществ