chocolate是可數名詞嗎？

例句

You'll get fat if you eat so much chocolate.

你如果吃這麼多巧克力就會發胖的。

He'd eat chocolate all day long if I let him.

我要是不攔着，他會整天不停地吃巧克力。

He broke the bar of chocolate in two and gave me half.

他把巧克力掰成兩半，給了我一塊。

When I was young chocolate was a treat.

我年輕的時候，吃巧克力是一種難得的享受。

He broke the chocolate in two.

他把那塊巧克力一分爲二。