Meaning of air in Japanese

空気は音の媒体だ。
The air is a medium for sound.

煙は空中へと舞い上がった。
The smoke ascended into the air.

この国の王は人ではなく、はるか天空に居られるという三対の翼を持つ神獣なんだ。
The king of this country isn't a person, but a divine beast with three pairs of wings said to be in far away in the sky.

この二人の兄弟は風采が全く違う。
The two brothers are quite unlike in their appearance.

お宮参りで訪れた大西幸治さん(40)、由希恵さん(34)夫妻は「子どもが健やかに育つことを祈りました」と話していた。
The couple who came on a shrine visit, Kouji Oonishi (40) and his wife Yukie (34) said, "We prayed that our child would grow up healthily."

元旦には近所の神社にお参りする人が多い。
On New Year's Day, many people visit neighborhood shrines.

あいつは、女の子がいるとかっこつけたがるんだから。
He's a big show-off when girls are around.