资料来源 : pyDict

rostrum的复数形

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Rostra \Ros"tra\, n. pl.
   See {Rostrum}, 2.

Rostrum \Ros"trum\ (-tr[u^]m), n.; pl. L. {Rostra}, E.
   {Rostrums}. [L., beak, ship's beak, fr. rodere, rosum, to
   gnaw. See {Rodent}.]
   1. The beak or head of a ship.

资料来源 : WordNet®

rostrum
     n 1: a platform raised above the surrounding level to give
          prominence to the person on it [syn: {dais}, {podium}, {pulpit},
           {ambo}, {stump}, {soapbox}]
     2: beaklike projection of the anterior part of the head of
        certain insects such as e.g. weevils [syn: {snout}]
     [also: {rostra} (pl)]

rostra
     See {rostrum}