名詞 pop-up:

1. a book (usually for children) that contains one or more pages such that a three-dimensional structure rises up when a page is opened
   同義詞：pop-up book
2. a short high fly ball
   同義詞：pop fly, pop-fly

動詞 pop-up:

1. appear suddenly or unexpectedly
   同義詞：crop up, pop up, pop

pop-up

adj.（形容詞）
Emerging quickly from a recessed or concealed position when activated:
有自動跳起裝置的：當(dāng)給予動力時能迅速從隱蔽的地方升起的：
例句：
pop-up gun emplacements.
自動彈起式炮臺

Rising to form a three-dimensional structure when a page is opened:
有跳起立體圖片的：當(dāng)一頁紙一打開時能從中跳起的三維立體的部分：
例句：
pop-up illustrations in a children`s book.
一兒童讀物中跳起的立體圖片

n.（名詞）
A device or an illustration that pops up.
自動跳起式裝置或立體圖片
Baseball See pop fly
【棒球】 參見 pop fly