Glutaconaldehyde
戊烯二醛
🗣️ 情景例句
I still don't understand what you mean.
我还是弄不懂你是什么意思。
Much will have more.
贪得无厌。
The development of such a telescope will be one of the great astronomical projects of the twenty-first century.
而开发这样一台望远镜将会是21世纪天文学的一个重要的研究课题。