Zoology【动】
1
- an elasmobranch fish of a group that comprises the sharks and dogfishes板鳃类鱼, 软骨鱼。
1.1
- The former group Selachii, subclass Elasmobranchii: now treated as one, two, or three superorders.原板鳃类鱼, 板鳃亚纲：现作为1到3个总目。
- of or relating to the selachians（与）软骨鱼（有关）的, 板鳃类鱼的。
词源
mid 19th cent.: from modern Latin Selachii （from Greek selakhos 'shark'） + -AN.