如何使用 "engine" 造句

1. Why isn 't this search engine friendly ?
这样为什么对搜索引擎不友好?
2. Daimler built the riding car to test the engine .
戴姆勒组装骑式双轮车是为了测试发动机。
3. Indeed , china had built a form of steam engine before james watt .
确实,中国在瓦特之前就已经有了蒸汽机的形式。
4. He walked along beside one of the trains until he came to the engine .
他沿着一辆停靠着的火车向前走,走到了车头。
5. London is britain 's economic engine , generating more than one-fifth of its wealth .
伦敦是英国经济的火车头,产生着超过全国五分之一的财富。