我总是工作在光亮和半影的交界处。

I have always worked right at the border of the light and the penumbra.

youdao

月球本影和半影没有扫过的地方，根本看不见日食。

Penumbral lunar Benying and did not sweep the place, simply can not see the solar eclipse.

youdao

当天，各地居民还可通过仪器观测到罕见的半影月食，最佳时刻在22时38.2分。

Observers can also watch rare phenomena of penumbral lunar eclipse with the aid of instruments that night at the best viewing time of 22:38.2.

youdao