月亮开始呈月牙形的时候人们就开始失踪。
When the moon was crescent shaped people began to disappear.
也可以来看看海马体，那个月牙形的长期记忆中心。
Or look at the hippocampus, the crescent-shaped center of long-term memory.
目前，在11月的黎明天空中，你都可以轻易通过双目望远镜看到金星月牙形的相。
For now, the crescent phase of Venus remains easy to enjoy with binoculars in November's dawn skies.
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