two birds with one stone片语KK [tu bɝdz wɪð wʌn ston] /tu bɝdz wɪð wʌn stoʊn/发音片语1一举两得、一箭双雕、一石二鸟多与 kill 连用Biking to work kills two birds with one stone: exercise and savings.骑自行车上班一举两得,既能运动又能省钱。用这个字练口说→