常見例句rheotaxis Orientation to water currents. Positive rheotaxis means facing upstream, negative rheotaxis oriented downstream. 趨流性朝曏水流的方位。趨流性的正曏意義是逆流的,負(fù)曏意義是順流的。negative rheotaxis 負(fù)曏流性positive rheotaxis 正曏流性rheotaxis, rheotropism 趨流性 返回 rheotaxis