词汇 | circulation |
词根词缀 | 词源: 1440, from L. circulationem, from circulare "to form a circle," from circulus "small ring" (see circle). Used of blood first by William Harvey, 1628. 词根记忆: 发生,流通(circulate+ion)[circ,cycl=ring,circle,表示"圆,环"] 词根词缀: circulation circulation发生,流通(circulate+ion) circ,cycl=ring,circle,表示”圆,环”circlet小环,小圈circular圆的,循环的(circ+ular表形容词) circulate循环,流通(circ+ulate=绕圈走=循环) circulation发生,流通(circulate+ion) circuit环行,电路(circu+it走=环行) circuitous迂回的,绕圈子的(circuit+ous) circus马戏团,圆形广场encircle环绕,包围(en进入+circle;圆=进入圆=包围) cycle周期cyclone旋风bicycle自行车recycle再循环,回收 |
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