你一分钟能走多少米或跑多少米?
长颈鹿的长腿说明它们走路或跑的时候步子迈得很大。
Giraffe's long legs mean they take big steps when they walk or run.
“没有,”不能走或跑的男孩说。
I don't want to have to deal with heat escaping to the outside environment in a way that might be difficult or complicated to measure or calculate.
我可不想处理跑到,环境中去的热量,那测量或,计算起来会非常麻烦和复杂。
They're all over each other sometimes and they can spread saliva or other fluids.
有时候他们会在一起追跑打闹,病毒和疫苗可以通过唾液或其它体液传播
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