单词 sinistrorsal 释义 sinistrorsal, a.|snstrsl|[f. next + -al1.]a. (See first quot.) b. = sinistral a. 6.1828–32Webster (citing Henry), Sinistrorsal, rising from left to right, as a spiral line or helix.1840Cuvier's Anim. Kingd. 345 The whorls turn obl...