1. 过载：lubrication 润滑 | lugging 过载 | lumber fire 伐木制材火灾
2. 使劲拉：Luggin capillary 路金毛细管 | lugging 使劲拉 | LUHF 最低可用高频
1. At this point, a man lugging a vegetable cart tied to his bicycle approached the jam.
2. lugging的解释
2. I was traveling to my university and I was exhausted because I was lugging three heavy cases with me.