词根:mord, mors = to bite
   来自拉丁语的mord,mors意为to bite。
同源词:
1. mordant (撕咬的 mord<mors(bite))
   adj.尖酸的,刻薄的,讽刺的
   His mordant wit is always amusing though sometimes offensive.他的讥讽总是很有趣,虽然有时有点无礼。
2. morsel n.(特别指食物的)一块,一口;少量;在佳肴;(美味)小吃
   There was not even a morsel of food.没有留下一点食物。
   What a dainty / choice morsel!真是美味的/精选的小吃!
3. remorse n.极度懊悔;自责 *re(=back)
   remorseful adj. 极度懊悔的;
   remorseless adj.无悔意的;无侧隐心的
   feel remorse for my failure to help her.我后悔没有帮成地
   in a fit of remorse 有些懊悔
   without remorse 无情的(地)