45千米宽的赫西俄德环形山，东壁一个缺口流泻出低角度的太阳光，在有阴影的环形山底形成长长的太阳光线(日出光？)

Streaming through a gap in the eastern wall of 45 kilometer wide Hesiodus crater, the low-angle sunlight produces a long sunrise ray playing along the otherwise Shadowed crater floor.

youdao

异型宽尾墩是将宽尾墩底缘与溢流堰面断开形成缺口的一种墩型。

The unusual shape broad tail pier is a pier with a notch between broad tail pier and overflow weir bottom.

youdao

异型宽尾墩是将宽尾墩底缘与溢流堰面断开形成缺口的一种墩型。

The unusual shape broad tail pier is a pier with a notch between broad tail pier and overflow weir bottom.

youdao