关于doom的词性

doom 1
/ duːm; dum/ n [U]
(rhet 修辞) death or ruin; any terrible and inevitable fate 死亡; 毁灭; 劫数; 厄运: meet/go to one's doom 死亡 * send a man to his doom 使某人陷入绝境.
= doomsday.
(idm 习语) the crack of doom => crack1. a prophet of doom => prophet. doom 2
/ duːm; dum/ v [esp passive 尤用於被动语态: Tn, Tn.pr, Cn.t] ~ sb (to sth) condemn sb (to death, destruction, failure, etc) 注定某人（死亡、 毁灭、 失败等）: The plan was doomed from the start. 那计划从一开始就注定要失败. * Are whales doomed to extinction? 鲸鱼是否注定要绝种? * We loathe each other, yet we seem doomed constantly to meet. 我们相互厌恶, 但似乎偏偏冤家常碰头

P.S. 这个。。。我也不太清楚百度词典的代号。。。我猜 ：是 Sentence 1 例句1的意思。因为他下面就举了例句1说这个词的名词不可数性。我猜的，不能给你肯定的答案了。抱歉~~