| 正面 | 5445.circulation 英 [sɜːkjʊ'leɪʃ(ə)n]美 [,sɝkjə'leʃən]     |
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| 背面 |      释义： 1、re- "back" + gest- "bear, carry, bring" => regest- => regist- + -er => register.2、register => registr- + -ation => registration.3、literally "carry back, bring back". => record, list, register.n. 流通，传播；循环；发行量 例句： 1. Massage is used to relax muscles, relieve stress and improve the circulation.按摩可以使肌肉放松，缓解压力和促进血液循环。 circulation (n.)mid-15c., from Middle French circulation or directly from Latin circulationem (nominative circulatio), noun of action from past participle stem of circulare "to form a circle," from circulus "small ring" (see circle (n.)). Used of blood first by William Harvey, 1620s." |