单词 sea-apple 释义 sea-apple[apple n.]†1. The sea-urchin. Obs.1666[see sea-egg 1].1752J. Hill Hist. Anim. 199 The roundish Centronia, with crooked..spines, the Sea apple.2. The sea-coconut (see coco 6).1864Grisebach Flora W. Ind. Islands 787 Sea-apple:...