1. For fruit jelly:
* 果冻 (guǒ dòng) - This is the most common way to say "jelly" in Chinese, especially when referring to fruit-flavored jellies.
2. For gelatin:
* 明胶 (míng jiāo) - This translates to "gelatin" and is used for referring to the substance itself, which is often used to make jellies.
So, depending on the context, you can use either "果冻" or "明胶" to express "jelly" in Chinese.