草莓西瓜的英文单词怎么写

　　The thesis mainly studies protecting color effect on strawberry juice.

　　主要研究草莓汁的护色效果。

　　The prospects of this year's watermelon market are good.

　　今年的西瓜市场看好。

　　This watermelon is really sweet!

　　这西瓜好甜哪！