sitting duck片语KK [ˋsɪtɪŋ dʌk] /ˈsɪtɪŋ dʌk/发音片语1活靶、易受攻击的目标Without cover, the soldiers were sitting ducks in the open field.没有掩护,士兵们在空地上就是活靶。2易受骗的人、好骗的对象Tourists who don't speak the language are sitting ducks for scammers.不会说当地语言的游客很容易成为骗子下手的对象。用这个字练口说→