| 释义 |
turnstile
\ˈ ̷ ̷ˌ ̷ ̷\ noun
1.
a. : a post with four arms pivoted on the top set in a gateway or passageway so that persons can pass through but cattle cannot
b. : a similar device set in an entrance for controlling or counting the persons entering
< turnstiles at the ball park were clicking busily >
2. : a device resembling in appearance a turnstile and turned by hand to traverse the turret slide of a lathe
3. or turnstile antenna : a television transmitting antenna consisting of two horizontal dipoles at right angles to each other usually used in the VHF-UHF frequency range and when it is desired to have signals transmitted in all directions equally well |