In the past, there was a lot of duckweed floating on the river, which came from the upper reaches. Now, you won't see it.

过去的时候，江面有很多上游漂下来的浮萍。现在都已经没有了。”

He drew her farther on to a small pool where duckweeds made a greenness on the water. Faded water lilies lay motionless between the reeds. At the noise of their steps in the grass, frogs jumped away to hide themselves.

他带她往前走，走到一个水塘旁边，浮萍在水上铺开了一片绿茵。 残败的荷花静静地立在灯心草中间。 听到他们在草上的脚步声，青蛙就跳进水里，藏起来了。