crescentic

例句：

1. 1.The moon is a crescent at this time of year.
   这个时节，月亮是新月。
2. 2. The new moon was so small that it looked like a crescent.
   新月那么小，看起来像是弯月。
3. 3.The artist painted a crescent on the canvas.
   艺术家在画布上画了一个新月。