"Watermelon" is the Engpsh translation for "西瓜" (xīguā). The pronunciation for "watermelon" is [ˈwɔːtəˌmɛlən], the emphasis is on the second syllable "mel".

The word "watermelon" comes from the combination of "water" and "melon", referring to the high water content of the fruit.

Examples:

"I love eating watermelon on a hot summer day." (我喜欢在炎热的夏天吃西瓜。)
"Watermelon is a refreshing fruit that is often eaten as a dessert." (西瓜是一种清爽的水果，经常当做甜点吃。)
"Can you cut the watermelon for me?" (你能帮我切西瓜吗？)