音節(jié)分段：lamb.da-c baryon; AHD音標(biāo)：l2m“d…-s?“; 國際音標(biāo)：6l#md*6si8; 美國音標(biāo)：6l#md*6si; A positively charged baryon having a mass 4,471 times that of the electron and a mean lifetime of approximately 2.1 × 10-13 seconds.