1、Rainbow fish are small but breathtaking in colour varying from a single vivid colour to a spectrum.
彩虹魚很小但顏色卻是令人驚異，從一種單一的鮮艷顏色到光譜上所有的顏色什么樣的魚都有。

2、Carefully the Rainbow fish pulled out the smallest scale and gave it to the little fish.
彩虹魚小心翼翼、小心翼翼地把一片最最小的鱗片，送給了小藍(lán)魚。

3、The Rainbow Fish found the cave.
彩虹魚找到了那個(gè)洞穴。

4、The Rainbow Fish wavered.
彩虹魚猶豫起來。