However, a two-stroke engine USES more gasoline and burns lots of oil, so it is far more polluting.

二冲程发动机使用更多的汽油，燃烧更多的燃料，所以产生更多的污染。

youdao

However, a two-stroke engine USES more gasoline and burns lots of oil, so it is far more polluting.

二冲程发动机使用更多的汽油，燃烧更多的燃料，所以产生更多的污染。

youdao