来自lumber,吃力的走，缓慢的走。

1. He looked straight ahead and overtook a lumbering lorry.

他眼睛直视前方，加速超过了前面一辆慢吞吞行进的大卡车。

2. Lumbering and, later, paper - making were carried out in smaller cities.

木材业和后来的造纸都由较小的城市经营.

3. Lumbering is very important in some underdeveloped countries.

在一些不发达的国家,伐木业十分重要.

4. Once a lumbering center, it now has varied industries.

曾是一个伐木业中心, 如今具有各种各样的工业.

5. States are lumbering dinosaurs that take years to adapt to change.

政府机构是行动迟缓的巨人,需要几年时间来适应改变.