stutterv.口吃;结巴着说话n.口吃;说话结巴
sturdyadj.强健的;坚固的;坚决的
sturgeons鲟鱼类
sturgeon roe鲟鱼子
sturgeonfishn.【鱼】鲟鱼
sturgeon oil鲟鱼油
sturgeon muscle鲟鱼
sturgeon cartilage鲟鱼软骨
sturgeon liver oil鲟鱼肝油
Sturgeon stocking pool鲟龟放养场
Sturgeons and gars are ganoid.鲟鱼和长嘴鱼都是硬鳞鱼。