放下背包的英文

to take off a rucksack

• 放下:    lay down; put down
• 背包:    knapsack; rucksack ...
• 下背:    lower back

例句与用法

1. He placed his pack on the ground and began to stalk the birds like a cat .
   他在地上放下背包，开始象猫那样蹑手蹑足地来抓鸟。