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 know.
我知道。
Compared to the previous model, our new model is less expensive and easier to use.
与旧型机比较我们的新型价格便宜且更容易操作。
The guards couldn't have been watchig very carefully.
警卫不可能一直认真地查看。