Ecotechnology
n. 生态工法，生态技术
🗣️ 情景例句
There's a conversation we have to finish.
我们有一段话还没有谈完呢。
Better wit than wealth.
智力胜于财富。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。