Nonacosane
二十九(碳)烷
??? 情景例句
We urgently need to establish our own credit system.
我們期待建立我們自己的信用機制。
The water has risen over the riverbank.
洪水溢過了防堤。
The first thing I saw when I entered the art gallery was a notice which said:
走進展廳首先看到的是一張告示，上面寫著