我们可能不会看到生物燃料使用的增加——我的意思是，在我们找到方法以更低的成本、更快的速度和更少的环境成本生产它们之前，它们不会取代化石燃料。

We probably won't see an increase in biofuel use—I mean, they won't replace fossil fuels until we can find ways to produce them cheaply and quickly and with less cost to the environment.

youdao

数据表明昆虫的生长速度更快，在获得相同单位体重的情况下，它们相比猪和牛，产生的二氧化碳更少。

The data indicated that insects grow more rapidly, and they emit less carbon dioxide per unit of weight gained than do cattle and pigs.

youdao

数据表明昆虫的生长速度更快，在获得相同单位体重的情况下，它们相比猪和牛，产生的二氧化碳更少。

The data indicated that insects grow more rapidly, and they emit less carbon dioxide per unit of weight gained than do cattle and pigs.

youdao