英语词汇“perennial spring”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	perennial spring
释义	perennial spring perennial spring [pə′ren·ē·əl ′spriŋ] (hydrology) A spring that flows continuously, as opposed to an intermittent spring or a periodic spring.
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