- lambda-b baryon英语什么意思：音节分段：lamb.da-b baryon; AHD音标：l2m“d…-b?“; 国际音标：6l#md*6bi8; 美国音标：6l#md*6bi; An electrically neutral baryon having a mass 11,000 times that of the electron and a mean lifetime of approximately 1.1 × 10-12 seconds.
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