Pinnigrade
a. & n.用鳍(或鳍状肢)行走的(动物)
🗣️ 情景例句
My new shoes hurt my feet ...
我的新鞋弄痛了我的脚……
The best horse needs breaking,and the aptest child needs teaching.
最好的马儿要人驯，最伶俐的孩子要人训。
yet we might grudge paying a surgeon a high fee for offering us precisely this service.
但就在外科大夫给我们提供了这种服务后，我们却可能为所支付的昂贵的费用而抱怨。