1. We just harvest them and grow a bunch in a 42-gallon (160-liter) barrel, so we can spray it out in a food-rich environment. 我们只需要收割它们,然后在一42加仑(160升)的桶中种植一大批,这样我们就能把它们洒在一个食物丰富的环境里。
2. Economics is precise about the tax that should, in principle, be levied to deal with negative externalities: the tax on a liter of fuel should be equal to the harm caused by using a liter of fuel. 从经济学的角度来看,为了应对负外部性,原则上应该征收的税收是准确的:对一升燃料征收的税应该等于使用一升燃料所造成的危害。
3. Moles per liter per second. 摩尔每升每秒。
4. Or it could be in grams per liter. 或者克每升。
5. He still drank 1 liter of liquor every morning. 他仍然每天早上喝一升酒。