tumble / 'tʌmbl/ 跌倒，跌落(贪步会跌倒)

Share prices tumbled on the stock-market.

humble / 'tʌmbl/ 谦虚(含苞是谦虚)

stumble / 'stʌmbl/ 跌倒，绊倒 stumble to 明白

gamble / 'gæmbl/ 赌博(干部爱赌博)

She stumbled briefly (over the unfamiliar word) but then continued.

tumbler / 'tʌmblə(r)/ 不倒翁;打滚的人,杂技演员, 翻筋斗者

tum / tʌm/ 臃肿(臃肿的人容易摔倒)I'd like to losesome weight from my tum.

tumor / 'tuːmə(r) /'tju- / 肿瘤

tumid / 'tuːmɪd /'tju-/ 肿胀的; 隆起的

limpid / 'lɪmpɪd/ 清澈的(清澈的河里有很多长满鳞片的动物)

turbid / 'tɜrbɪd /'tɜː-/ 混沌的

torpid / 'tɔrpɪd /'tɔː-/ 有气无力的(特疲惫的)

humid / 'hjuːmɪd/ 潮湿的(上帝用潮湿的泥土捏造了人类)

They were not prepared for the humid heat of the tropicalforest.

humous / 'hjuːməs/ 腐蚀土的(动植物的尸体与土混合在一起)

afflict / ə'flɪkt/ 使痛苦 -flict 打