https://online2.tingclass.net/lesson/shi0529/0008/8458/LW1056.mp3
https://image.tingclass.net/statics/js/2012
今天我們要學(xué)的詞是source。 Source, 意思是來源。 "Social Security is a reliable income source for seniors," 社會保障是美國老年人可靠的收入來源。 "Police have received thousands of tips, according to a source close to the investigation," 據(jù)了解案件調(diào)查進展的消息來源說,警方已經(jīng)得到了好幾千條線索。因為受沙門氏菌污染的影響,美國五億多雞蛋被召回。 "The U.S. Food and Drug administration is aggressively investigating the source...