The universe is a vast and mysterious place, full of wonders waiting to be discovered.
宇宙是一个广阔而神秘的地方,充满了等待被发现的奇迹。
天然气作为清洁能源,将在我国能源结构调整中发挥重要作用。
The question is, are we happy to suppose that our grandchildren may never be able to see an elephant except in a picture book?
写作是为我们内心深处的思想发声的一种方式。