| 例句 |
nounverb She swung her backpack over her shoulder. He was wearing a heavy backpack. a weed-sprayer backpack背负式喷雾除草器 In the study, birds were fitted with a 28g backpack radio transmitter. They went backpacking in Spain last year. 他们去年背着背包在西班牙旅行。 Have you ever been backpacking? My son’s backpacking in Thailand at the moment. They went backpacking in Peru last year. They were planning to backpack round the world for a few months. |