| 释义 |
〔guard〕A group of people serving as an escort or performing drill exhibitions on ceremonial occasions:护卫队：作为护卫或在庆典中走阅兵式的一群人：〔anomaly〕"NASA's system for tracking anomalies for flight readiness reviews failed"(Presidential Commission Report on the Challenger Disaster)“在飞行准备阅兵式中，美国航空及太空总署的异常情况追踪系统失败了”(关于挑战者灾难的总统委员会报告) |