It is known to us all that water is the source of life. And the available water resources on the earth are quite limited.
众所周知,谁是生命之源。 而且地球上可利用的水资源是有限的。
词典释义:
这是我们都知道的
It is known to us all that water is the source of life. And the available water resources on the earth are quite limited.
众所周知,谁是生命之源。 而且地球上可利用的水资源是有限的。