chocolate可数吗?

　　Do you want some chocolate？

　　你想吃点巧克力吗？

　　It's healthier to snack on fruit rather than chocolate。

　　作为点心，水果比巧克力更有益于健康。

　　I yielded to temptation and had a chocolate bar。

　　我经不住诱惑，吃了一大块巧克力。