sheathern.sheathe的变形：sheathe[ʃi:ð]vt.把(刀、剑等)插入鞘内，使入鞘：a sheathed dagger插在鞘内的匕首为…备鞘，给…配备鞘：to sheathe a knife给刀配鞘把…(入鞘似的)插入(或刺入)：to sheathe one's chest with a sword把剑插进某人的胸膛包；覆盖：a bar sheathed with tin包铁皮木棍(尤指猫)缩回(爪子)变形：：vt.sheathed.sheathing