🧩 词语组成解析
a. 有鳍状肢的
🗣️ 情景例句
The advanced class starts at ten o'clock.
高级健身课十点钟开始。
Look, not bad, huh?
不错吧？
Sometimes, my grandma decides to buy one big birthday present for both of us.
有时，奶奶决定给我俩就买一件大生日礼物。