Slipcase
n. 书套
✅ 同义词
🗣️ 情景例句
I am a representative of Politics Association.
我是政治协会的代表。
I'm not in the mood.
我没心情。
Because of this, we kept looking back, wondering if we were leaving a trail of oil and petrol behind us.
因此，我们不时地掉过头，怀疑车后是否留下了机油和汽油的痕迹。