The blast-off of the first US rocket in 50 years capable of carrying humans to the moon was called off on Monday morning after last-minute problems with an engine cooling system.
由于引擎冷却系统在最后一刻出现问题，美国50年来首枚能够载人登月的火箭的发射于周一上午被叫停。
您已阅读6%（225字），剩余94%（3708字）包含更多重要信息，订阅以继续探索完整内容，并享受更多专属服务。