🧩 词语组成解析
a. 有鳍状肢的
🗣️ 情景例句
I was in the neighborhood, so I thought I'd stop by.
我就住在附近，所以我想拜访一下。
Don't be so modest.
别这么谦虚了。
Good evening! Mr Green, where are you from?
晚上好，格林先生，你是哪里来的？