umbra
「umbra」的意思
n. [天] 本影，[天] 暗影；蚀时的地球
n.[天]本影,暗影,蚀时的地球
「umbra」的用法
umbra阴影 - 在日光下，树的阴影区域。
「umbra」的例句
The umbra is the darkest part of the shadow cast by an opaque object.
umbra是投射物体阴影中最暗的部分。
The umbra of the moon can be seen during a solar eclipse.
月球的umbra可以在日食时看到。
She stood in the umbra of the tree to avoid the sun.
她站在树荫下以避免阳光。
The umbra of a cloud can sometimes be seen on a sunny day.
有时可以在晴天看到云的umbra。
The umbra of a car's shadow was cast on the ground.
汽车的umbra投射在地面上。
The umbra of a star can be observed with a telescope.
可以用望远镜观察星星的umbra。
She enjoyed sitting in the cool shade of an umbrella on a hot day.
她在炎热的日子里喜欢坐在伞下的阴凉处。
The umbra of a building's shadow can be measured with a tape measure.
可以用卷尺测量建筑物阴影的umbra。
The moon's umbra and penumbra create different types of eclipses.
月球的umbra和penumbra创造了不同类型的日食。
The umbra of a person's silhouette against the sky is their shadow.
一个人在天空中的剪影的umbra就是他们的影子。