umbra

基本解釋

This includes the continuous survey of umbra and penumbra of the sunspot.
這包括對太陽黑子本影和半影持續(xù)的觀測。
It is the custom that aged or infirm Striders make a final journey into the Umbra, never to return.
年老或者衰弱的漫游者會根據(jù)傳統(tǒng)最后一次出發(fā)去影界，一去不歸。
This is a lighter area between the umbra and the edge of a shadow.
這是本影和陰影邊緣之間較亮的區(qū)域。
Shaped like a cone extending into space, the umbra has a circular cross section that can be most easily seen during a lunar eclipse.
本影就像一個(gè)圓錐一樣延伸在空間中，當(dāng)月食發(fā)生時(shí)，它很容易被看到。

the dark inner part of a shadow in which all light is blocked, used especially about a shadow made during an eclipse