baleen

Large baleen whales are of special concern.

大型鲸须鲸是最受关注的物种。

Surfacing in warm winter waters off the Baja California coast, a gray whale flashes its baleen plates by a boat.

下加利福尼亚海岸（Baja California coast）附近，在冬日温暖的海水里，一条灰鲸浮在水面上，露出了鲸须板，旁边是一条船。

Unlike orca, which are odontocetes or toothed whales, humpbacks are mysticetes, harmless leviathans with only baleen plates in their mouths.

座头鲸不像齿鲸亚目鲸或齿鲸，它们是须鲸亚目、无害的大海兽，嘴里只有须鲸板。