单词：rostra
音标：['rɔstrә] ；
n. 嘴, 喙
n a platform raised above the surrounding level to give prominence to the person on it
n beaklike projection of the anterior part of the head of certain insects such as e.g. weevils
n beaklike projection of the anterior part of the head of certain insects such as e.g. weevils
词型变化：名词复数形式 : rostras