well·spring /-ˌsprɪŋ/
水源,泉源
Well·spring n. A fountain; a spring; a source of continual supply.
Understanding is a wellspring of life unto him that hath it; but the instruction of fools is folly. --Prov. xvi. 22.
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wellspring
n 1: the source of water for a well [syn: wellhead]
2: an abundant source; "she was a well of information" [syn: well,
fountainhead]