3. They might bump into things or fall over objects. 他们有可能撞到或跌倒在某些物体上。
英英解释
n.
1. a lump on the body caused by a blow
2. something that bulges out or is protuberant or projects from its surroundings
3. an impact (as from a collision) v.
1. knock against with force or violence
2. come upon, as if by accident; meet with
3. dance erotically or dance with the pelvis thrust forward
4. assign to a lower position; reduce in rank
5. remove or force from a position of dwelling previously occupied
