西瓜在英语中的发音为“watermelon”，其中water表示“水”，melon表示“瓜”，所以西瓜在英语中被称为“水瓜”。而草莓在英语中的发音为“strawberry”，其中straw表示“稻草”，berry表示“浆果”，所以草莓在英语中被称为“稻草浆果”。

Watermelon is pronounced as “watermelon” in English, where “water” means water and “melon” means melon. Therefore, watermelon is called 'watermelon' in English. Strawberry, on the other hand, is pronounced as “strawberry” in English, where “straw” means straw and “berry” means berry. Therefore, strawberry is called 'strawberry' in English.