consumption – n. the use of something

inventory – n. an unsold supply of a product that are stored in a place

cost-effective – adj. providing a good result at a relatively low cost

shale wells – n. wells that recover oil from shale, a kind of rock that is easily broken

alignment – n. being in line with, matching or being in balance with something else

renewable energy – n. energy produced from a source that cannot run out, such as the sun, wind or water
 2/5   首页 上一页 1 2 3 4 5 下一页 尾页