Umbra
n. 阴影, 本影, 暗影\\n[化] 本影
📖 牛津释义
umbra
n
(pl -rae or ~s) (astronomy 天) dark central part of the shadow cast by the earth or the moon in an eclipse, or of a sunspot 本影. Cf 参看 penumbra.
🗣️ 情景例句
What a downpour!
下得可真够大的！
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就变了，乌云密布并下起雨来。
I have 4 books and 2 magazines to check out.
我有4本书和2本杂志要借。