cos.

• abbr.
  • companies
  • consul
  • consulship
  • counties

Cos[kɔ:s]

• =Kos

cos¹[kɔs]

• n.=romaine

cos²[kəus]

• 【三角学、数学】余弦(cosine)的符号

C.O.S.

• abbr.cash on shipment【商业】装船付款[亦作 c.o.s., cos]