kill two birds with one stone片語KK [kɪl tu bɝdz wɪð wʌn ston] /kɪl tu bɝdz wɪð wʌn stoʊn/發音片語1一石二鳥、一箭雙鵰、一舉兩得I can pick up the mail on my way to work and kill two birds with one stone.我可以在上班路上順便取信，一舉兩得。