| 释义 |
asym·me·tron
\āˈsimə.ˌträn\ noun
Usage: capitalized
Etymology: New Latin, from Greek, neuter of asymmetros
: a genus of lancelets (family Epigonichthyidae) differing from Branchiostoma in having asymmetrical metapleura and but one series of gonads, the right — compare amphioxus |