英语词汇“heavy backpack”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	heavy backpack
释义	heavy backpack Wear a weighted vest or a heavy backpack and walk for 30 minutes at a steady pace. The Sun Hills look steeper and targets look farther away when wearing a heavy backpack. Retrieved from Wikipedia CC BY-SA 3.0 You have nothing to lose but your heavy backpacks. Times, Sunday Times
随便看	presidential seal presidential term presidential ticket presidential veto presidential visit presidential vote Presidents' Day press press a bell press a buzzer press a claim press agency press agent press ahead press ahead press a key press a lever press a pedal press a shirt press a switch press a trigger press attention press box press censorship press charges

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