| 释义 |
DEFINITIVE EXAMPLES 权威例句〔source〕Renewable sources of energy must be used where practical.必须在可行的地方使用可再生能源。柯林斯高阶〔source〕Renewable sources of energy must be used where practical.必须在可行的地方使用可再生能源。外研社新世纪Although the groups seem very different the common denominator is their commitment to using renewable sources of energy.虽然这些团体似乎各不相同,但是他们的共同目标是都致力于利用再生性能源。剑桥国际 |