source
n
1 starting-point of a river 河流的源頭; 發源地
the sources of the Nile 尼羅河的發源地
Where is the source of the Rhine? 萊茵河發源於何處?
2 place from which sth comes or is obtained 來源; 出處
news from a reliable source 來源可靠的消息
a limited source of income 有限的收入來源
Is that well the source of all the cases of infection? 所有這些傳染病病例都是由那口井引發的嗎?
3 (esp pl 尤作復數) personor thing (esp a book, document, etc) supplying information,esp for study 提供資料的人, 原始資料(尤指書、 文件等)(尤指供研究的資料)
He cited many sources for his book. 他在書中引用了許多資料.
[attrib 作定語]
source material 原始資料.
4 (idm 習語) at `source at the point of origin or beginning 在源頭; 在發源地; 在開端
money taxed at source, ie before it is given to the earner 扣除稅金後發放的錢
Is the water polluted at source or further downstream? 河水是在源頭還是在流出之後受到污染的?