Rarefies
vt. 使稀薄（rarefy的第三人称单数形式）
🗣️ 情景例句
He adjusted himself to the new life.
他使自己适应了新的生活。
I'll walk you to the door.
我送你到门口。
They put their hands behind their backs, so you can't see their hands.
他们将手放在背后，这样你就看不见他们的手了。