Knapsacks
n. （士兵或旅行者的）背包( knapsack的复数形式 )
🗣️ 情景例句
Mike likes to write by the nice bright light at night.
迈克喜欢晚上在柔和明亮的灯光下写作。
But the market prices are changing frequently.
但是市场价格随时都在变化。
Who served you, sir?
是谁接待您的，先生？