我也买了安全帽和自行车运动短裤。
彼得从自行车上跌了下来，但幸亏他戴着安全帽。
Peter fell off of his bicycle, but fortunately he was wearing a helmet.
在骑自行车时戴上安全帽对于孩子会更安全。
It is much safer for the children to wear safety helmets when biking.
在骑自行车时戴上安全帽对于孩子会更安全。
It is much safer for the children to wear safety helmets when biking.
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