Amphitheater

(noun.) an oval large stadium with tiers of seats; an arena in which contests and spectacles are held.

(noun.) a sloping gallery with seats for spectators (as in an operating room or theater).

编辑:梅齐

• Two days later, D'Arnot was tottering about the amphitheater, Tarzan's strong arm about him to keep him from falling. 埃德加·赖斯·巴勒斯. 人猿泰山.
• Shortly after we had been caged the amphitheater began to fill and within an hour every available part of the seating space was occupied. 埃德加·赖斯·巴勒斯. 火星公主.
• They are usually held in an amphitheater having circular seats rising one above another, and are attended by vast crowds who eagerly pay for admission. 佚名. 神奇的知识之书.

校对:罗伯特