two-by-four

US /ˌtuː baɪ ˈfɔːr/
UK /ˌtuː baɪ ˈfɔːr/
"two-by-four" picture
1.

kayu dua-kali-empat, kayu balak

a piece of lumber with a rectangular cross section, nominally 2 inches by 4 inches, used in construction

:
He used a two-by-four to brace the wall.
Dia menggunakan kayu dua-kali-empat untuk menyokong dinding.
The frame was built with several two-by-fours.
Rangka itu dibina dengan beberapa kayu dua-kali-empat.