“这是我个人的一小步，却是人类的一大步”。1969年7月20日，美国宇航员阿姆斯特朗驾驶阿波罗11号首次在月球留下人类足迹，后来这一天被定为“人类月球日”。"That's one small step for a man, one giant leap for mankind". On July 20, 1969, American astronaut Armstrong piloted Apollo 11, leaving footprints on the moon for the first time. The day was later designated as "Human Moon Day".【和月亮有关的短语/Phrases related to the moon】moon away 虚度时光over the moon 欣喜若狂once in a blue moon 极少，千载难逢shoot the moon（为避债）乘黑夜搬家cover oneself with the moon 露宿（指流浪汉与失业者）as changeable as the moon 象月亮一样善变，反复无常
