whale是可數名詞還是不可數名詞

whale的過去式是whaled，過去分詞形式是whaled，現在分詞形式是whaling，第三人稱單數形式是whales。

例句：

1、A whale was thrashing the water with its tail.

一條鯨魚不住地用尾巴擊水。

2、Whales and dolphins are still being slaughtered for commercial gain.

仍然有人爲了商業利益大肆捕殺鯨魚和海豚。

3、We have campaigned against whaling for the last 15 years.

我們最近15年一直參加反對捕鯨的運動。

4、A whale was found washed up on the shore.

一頭鯨被發現衝到了岸上。