最高级的, 头等的

pyramid of the first order predicate of first order coefficient of first order time lag of first order of the order of on the order of factor of the order the order of nature order of the bits under the order of the order of the day receptor of the first order oocyte of the first order spermatocyte of the first order root of the first order lateral vein of the first order the first order branching of the main stem moment of first order receptor of first order transition of first order goods of first order lever of first order