A-board
US /ˈeɪ.bɔːrd/
UK /ˈeɪ.bɔːrd/

1.
A字板, 人字牌
a portable sign, typically shaped like an 'A', used to display information or advertisements, often placed on pavements outside businesses
:
•
The cafe put an A-board outside to advertise their daily specials.
咖啡馆在外面放了一个A字板来宣传他们的每日特价。
•
Make sure the A-board is stable so it doesn't blow over in the wind.
确保A字板稳固,以免被风吹倒。