waste做名詞時可數(shù)嗎

　　例句：

　　It's a waste of time and energy。

　　那是浪費時間和精力。

　　The waste was dumped in the sea。

　　廢物倒入海中。

　　In my view it was a waste of time。

　　依我看，這是浪費時間。

　　I hate unnecessary waste。

　　我憎恨不必要的浪費。

　　It seems a pity to waste this food。

　　浪費這些食物真可惜。