dwell on

凝思;详述

dustpan, dusty, Dutch, Dutch auction, Dutch barn, Dutch cap, Dutch elm, Dutch oven, Dutchman, duteous, dutiable, dutiful, dutifully, duty, duty-bound, duty-free, duvet, DV, dwarf, dwell, dweller, dwelling, dwindle, dye, dyed-in-the-wool, dyeing, dyer, dying, dyke, dynamic, dynamically, dynamics, dynamism, dynamite, dynamo, dynastic, dynasty, dysentery, dyslexia, dyslexic,