第三十七节 以……为动力

1. a horse-drawn dray 四轮马车

2. petrol-driven cars 汽油车

3. petrol-powered cars 汽油车

4. mechanically propelled passenger-carrying boats 机械动力客船

5. coin-operated telephone 投币电话

6. electricity-operated lift 电梯

7. twelve-gauge, pump-operated shotgun 12 口径压动式滑膛枪