Switchblade
n. 弹簧小折刀（按钮式弹簧开启的, 等于switchblade knife）
✅ 同义词
🗣️ 情景例句
Birds are good pets, they can wake you up by singing in the morning.
鸟是很好的宠物，它们早上的歌声可以将你从梦中唤醒。
It's a classic!
真是经典！
What a pity!
太遗憾了！