| 释义 |
fuel-freeCOCA²⁸⁰¹³⁶⁺⁵
例句
But as the initial investment expense decreases, and as the nature of fuel-free energy sources entails little maintenance costs, prices will plateau and eventually decrease.
但是随着初次投资消耗的减少，以及清洁资源开发的稳定，再生能源的价格会逐渐稳定甚至下降。 yeeyan |