cosmonaut

n Russian astronaut （俄罗斯的）宇航员, 太空人.

cos (also cos), cosec, cosecant, coset, cosh, cosily, cosine, cosiness, cosmetic, cosmetic surgery, cosmetically, cosmetician, cosmetics, cosmic, cosmic being, cosmic dust, cosmic rays, cosmogony, cosmologist, cosmology, cosmopolitan, cosmopolitanism, cosmos, cosset, cost, cost accountant, cost clerk, cost benefit, cost price, cost-effective, cost-effectiveness, costermonger, costing, costliness, costly, costume, costume jewellery, costumier, cosy, cosy (US cozy), cot,