trapdoor
n. (舞臺的)地板門,活板門,活蓋
A trapdoor is a small horizontal door in a floor, a ceiling, or on a stage.
This program is used to compute the trapdoor channel capacity.
這個程式是用於計算陷渠道能力.
She uncovers a sand covered wooden trapdoor with a rope.
他開啟了一個有著一條繩子的被沙子埋在下面的地板門.
Cryptographic attack based on trapdoor is presented, examples are given.
提出了一種基於陷門的密碼攻擊方法, 並給出了幾個例子.
The woman shut the trapdoor with a slam.
這位女主婦砰的一聲關上活板門.
She raised the trapdoor and pointed to a flight of steps.
她開啟了房門,用手指著書架.