staple food   (主食)

Wheat is a staple food in the Mediterranean region.

Millet is the staple food of Chadian cuisine.

Rice is the major food crop and staple food of the state.

became a staple   (主食になった)

"Changes" became a staple of the band's live shows.

The single became a staple in the German hip hop scene.

They quickly became a staple in both Roman military and civilian dress.

become a staple   (主食になる)

3 (1958) has become a staple of the band repertoire.

This battle has become a staple of the band's live show.

The song has become a staple of classic country radio station formats.

staple foods   (主食)

Ancient empires valued luxury goods in contrast to staple foods, leading to famine.

Gabonese cuisine is influenced by French cuisine, but staple foods are also available.

One of the Antiguan staple foods, fungi , is a cooked paste made of cornmeal and water.