Quillback
n. 背鳍前部象翎管而突出的北美产淡水鱼
🗣️ 情景例句
Keep your chin up.
别灰心。
Could you tell me where is the first-aid room?
你能不能告诉我急诊室在哪里？
How do I control myself? I can't calm down.
我怎能控制我自己？我无法冷静下来。