pop into

• • 匆匆地走进…；不假思索地到(某处)：

    The image of the woman popped into his head out of the blue.

    那个女人的形象突然出现在他的脑海里。

  • 急忙地把某物放进：

    She popped the letter into the envelope.

    她急忙地把信放进信封里。