Quillback
n. 背鳍前部象翎管而突出的北美产淡水鱼
🗣️ 情景例句
Thank you everyone. Thank you very much.
谢谢大家，非常感谢你们！
Nothing so necessary for travellers as languages.
旅行者最需要的是几种语言。
He has eight lawyer assistants to help him and examines every single letter in detail.
他有8位律师作他的助手协助工作，每封信都详细批阅。