Pinnigrade
a. & n.用鳍(或鳍状肢)行走的(动物)
🗣️ 情景例句
He seems to be getting on very well at school.
他在学校似乎过得很好。
Gather ye rosebuds while ye may.
有花堪折直须折。
and some of these propositions have been violently opposed.
对风俗的研究才是全面的，才会有收获。