1640s, "vaporous, misty, abounding in steam," from steam + -y (2); in the sense of "erotic, sexy," it is first recorded 1952. Related: Steamily; steaminess.
例文
1. He 'd had a steamy affair with an office colleague.
彼はオフィスの同僚と熱い不倫をしたことがある。
2.the steamy heat of Tokyo
東京のじめじめした蒸し暑さ
3.The air was hot and steamy from the heat of a hundred bodies.
空気は100人が発する熱によって熱くて蒸れるようになった。
4.He puffed out his fat cheeks and let out a lungful of steamy breath.