"A bar of chocolate" 是表示一条巧克力的英文表达。
巧克力的英文单词"chocolate" 源自西班牙语"chocolate"，这个词来自于古先知科语言"xocoatl"，意为"苦水"。
例句：
Can you grab me a bar of chocolate from the pantry? (你能从食品室拿一条巧克力给我吗？)
I can't resist a good bar of chocolate. (我禁不住喜欢吃好吃的巧克力。)
I'm going to buy a bar of chocolate on my way home. (我回家的路上要去买一条巧克力。)