Hipflask
n. 小扁酒瓶（用金属或玻璃制成，常带皮套，随身携带）\\n
✅ 同义词
🗣️ 情景例句
I don't know.
我不知道。
I'll go on an outing with some friends.
我与朋友去郊游。
What time will the next train leave?
下一班火车什么时候开？