单词 demersion 释义 demersion Obs. or rare.|dmn|[ad. L. dmersin-em. n. of action from dmergre: see demerge. (Occurs also in 15–16th c. French.)]Plunging in, immersion; submergence, drowning.1692Ray Dissol. World iii. v. (1732) 360 This Sinking and Demer...