Chad

(noun.) a family of Afroasiatic tonal languages (mostly two tones) spoken in the regions west and south of Lake Chad in north central Africa.

(noun.) a landlocked desert republic in north-central Africa; was under French control until 1960.

(noun.) a small piece of paper that is supposed to be removed when a hole is punched in a card or paper tape.

整理:怀亚特