英语翻译

问题描述:

英语翻译

fall down 倒下
fall off从……摔下来
fall over 向前摔倒
摔倒在地上 fall down on the ground

She fell down on the ground yesterday .
He fell off his bike and hurt himself .
He ran fast and fell over .
加油!不明白再问!只有这一种能加on the ground ?down可否省略?可以