1. Propellant tank and high pressure vessel are important component of satellite prolusion system. 推进剂贮箱、高压气瓶（简称贮箱、气瓶）是卫星推进分系统的重要核心部件。
2. Also to have independent thrusting from the main forward prolusion engine mounted in the rear of the VERT-LEV. 也有独立于主发动机向前冲式预演在垂直后方轻型电动车。
3. And It Was So prolusion: Ladies and gentlemen, do you believe in God? Today we are going to tell a story about the Goddess. 故事序言：女士们先生们，你们相信神仙吗？今天，我们就来讲述一个关于神仙的故事。
英英解释
n.
1. a short introductory essay preceding the text of a book
2. exercising in preparation for strenuous activity
