n.鲸须...

baleen的音标：baleen的英式发音音标为：[bə'li:n]baleen的美式发音音标为：[bə'lin]...

Baleen whales often appear in this region. Be careful!这一带经常有须鲸出没, 要注意安全啊!But big baleen whales often run silent.而大型须鲸常常不声不响地前行.The collection of small marine crustaceans of the order Euphausiacea are the principal food b...