Trees are flourishing, and spring water is trickling.

The vegetation is lush and the trickle flows slowly. These two sentences have the same meaning, describing the vigorous development of things.

Translate 1 and explain function words:

"One" is equivalent to "two". There is no translation.

The modified "er" here is translatable.

2. Explain the notional words:

Prosperity: refers to the prosperity of vegetation. Xinxin: The appearance of lush vegetation.

Trickle: the slow flow of a trickle. Xunzi Faxing: "A trickle is not only unstoppable."

3. Translation:

The vegetation is lush, and the spring water flows slowly.