Kindergarten level of high school students, congenital Mongolism frog head!

幼稚园程度的高中生，先天蒙古症的青蛙头！

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She looked around and saw a frog. He was stretching his thick ugly head out of the water.

她四处看了一下，看到了一只青蛙，它那肥厚而又丑陋的脑袋正伸出水面。

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She looked round to the side from whence the voice came, and saw a frog stretching forth its thick, ugly head from the water.

听了这话，小公主四处张望，想弄清楚说话声是从哪儿传来的，不料却发现一只青蛙，从水里伸出他那丑陋不堪的肥嘟嘟的大脑袋。

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Then he would fall down on the floor again like a ball of dirt and start rubbing the side of his head with his back foot as if he had no idea he had been doing any more than any frog might do.

VOA: special.2009.08.29

Francis Farrell, 56, was found with head injuries at about 04:15 BST on 17 June in Frog Lane, Wigan.

BBC: Francis Farrell

He knelt down and crawled from the switch rails to the frog of the crossover, sliding his hand along the running surface and the head of the rail and feeling for possible corrugations or dents, or burrs shaved off by the wheels of the locomotives.

NEWYORKER: Among Animals and Plants