Air Conditioning
noun, verbal noun
A cool cluster is something that has a cluster of cool-creating coolant. This device is air conditioning.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
暑すぎだよ〜。ちょっと冷房付けてもらえないかな。
It's too hot. Could you turn on the air conditioning please?
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