There was an unearthly quality to the atmosphere inside the Frieze New York art fair, like the air in a plane—still but pressurized, with an unsettling hum—when the fiction writer Ottessa Moshfegh visited to speak about her work one afternoon in May. “I hate this fair already,” she said when she walked in, handing her ticket to a very tall, very pale man dressed entirely in black lace. Almost immediately, she was lost in the labyrinth of works for sale: Takashi Murakami’s lurid blond plastic milkmaids with long legs and erect nipples; the words “any messages?” spelled out in neon tubing. It was like an enactment of the world inhabited by the protagonist of Moshfegh’s forthcoming novel, “My Year of Rest and Relaxation,” …
From The New Yorker, Ottessa Moshfegh’s Otherworldly Fiction by Ariel Levy
Still and pressurized VS still but pressurized? Maybe you can paraphrase that part of passage I would get the meaning.