steel aluminium trolley wire

例句：

1. 1. Steel is stronger than wood and can be used to make tools.
   钢比木头更坚固，可以用来制作工具。
2. 2. The steel beam supports the roof of the building.
   钢梁支撑着建筑物的屋顶。
3. 3. Steel is a common material used in construction and manufacturing.
   钢是一种常见的建筑材料和制造业材料。
4. 1. Aluminium is lightweight and strong, making it ideal for use in airplanes.
   铝重量轻且强度高，非常适合用于飞机制造。
5. 2. Aluminium foil is commonly used to wrap food before cooking.
   铝箔常被用来包裹食物在烹饪前。
6. 3. Aluminium is also used in the production of various consumer goods.
   铝也被广泛用于生产各种消费品。
7. 1. The trolley was too heavy to push, so I had to wait for someone to help me.
   这个手推车太重了，我不得不等别人来帮我。
8. 2. The trolley stopped at every corner, making it easy for people to cross the street.
   有轨电车每到一个路口就停下，方便人们过马路。
9. 3. The trolley was full of passengers, and they were all enjoying the ride.
   有轨电车上挤满了乘客，大家都很享受这次旅程。