tomato是不是可數名詞

　　May I have two cans of tomato soup?

　　我能要兩罐番茄湯嗎？

　　He made a tomato and cucumber salad.

　　他做了西紅柿和黃瓜沙拉。

　　I'd like a tomato and green pepper pizza.

　　我想要一個帶西紅柿和青椒的披薩餅。