rorqual
/ˈrɔːkwəl/noun
1- a baleen whale of streamlined appearance with pleated skin on the underside鳁鲸。
1.1
- Family Balaenopteridae: two genera and six species, including the common rorqual (or fin whale).鳁鲸科：2属, 6种, 包括长须鲸。
词源
early 19th cent.: via French from Norwegian røyrkval, from Old Norse reythr, the specific name, + hvalr 'whale'.