phenomenon是可數名詞嗎

！phenomenon是可數名詞，它的複數是phenomena，n. 現象（phenomenon的複數）

造成這種現象的原因尚未徹底弄清。The causes of the phenomenon are still incompletely understood.

他宣稱他完全不相信通靈現象。

He declared his total disbelief in psychic phenomena.