What is the plural of beef?

1 beef /ˈbiːf/ noun. plural beefs. 1 beef. /ˈbiːf/ noun. What is the correct plural of beef? Emeritus Professor of Applied Language Studies at the Univer...

What does 300mm lens mean?

Focal lengths such as 300mm or 400mm would be a large, heavy telephoto lens for taking photos of birds or airplanes. Just remember - a small number is wi...