What is the sharp corner of Xiao He's whole poem?

The spring eye is very careful to let the spring water flow out quietly, and the shade reflected on the water likes the softness of the sunny scenery. As soon as the sharp corners of the fresh lotus leaves emerged from the water, dragonflies landed on them.

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Song Yang Wanli

Spring is silent, cherish the trickle,

The shade of trees shines on the water, loving sunshine and tenderness.

Xiao He just showed his sharp corners,

Dragonflies have long stood on it.