单词	dullard
释义	dullarddull‧ard /ˈdʌləd $ -ərd/ noun [countable] Word Origin WORD ORIGINdullard Origin: 1400-1500 ➔ DULL1 someone who is stupid and has no imagination
随便看	sin bin since sincere sincerely sincerity Sinclair C5 Sinclair, Sir Clive Sinclair, Upton Sindbad sine sinecure sine qua non sinew sinewy sinful sinfully sing singalong Singapore Singaporean Sing a song of sixpence singe singer Singer, Isaac Bashevis singer-songwriter

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