掩蔽的英文：
masking
occult
occultation
screen
shelter

参考例句：

Occultation Complete or partial obscuration of an astronomical object by the moon or a planet.
月球和行星运行时，完全或部分掩蔽背景天体的现象，称为掩星。

The heterocyele in (4) is a masked fused ring held in abeyance.
(4) 中的杂环可以看作是一个被掩蔽的，处于暂时停顿状态的稠环。

Sheltered by thick but bare bluffs of aspens, stood a large house, built of logs, white-washed, solid.
在一片稠密却光秃的白杨树丛掩蔽之下，有一所用圆木造的大房子，粉刷洁白，坚固结实。

The moon occulted Mars.
月球掩蔽了火星。

The noise occultation was significant, and the undertone was the easiest one to be occulted.
噪音对信号的掩蔽作用显著，其中低音最易被掩蔽。

We scattered for cover in the bombing.
轰炸时我们分散掩蔽。

The trenches sheltered us from enemy gunfire.
战壕掩蔽我们不受敌人炮火袭击。

The concealment or extinguishment of lights that might be visible to enemy aircraft during an air raid.
灯火管制在空袭中把那些可能被敌机发现的灯火掩蔽或熄灭

a bosky park leading to a modest yet majestic plaza(bJack Beatty)
一个树木掩蔽的公园，它通向不大但宏伟的广场(b杰克·贝蒂)

Bullets thudded into the sandbags behind which we were sheltering
子弹砰然地射进沙袋内，我们当时正在沙弹后面掩蔽。

masking是什么意思：
n. 面具，面罩，口罩；掩饰；面膜
v. 用面具遮住；掩盖，掩饰

ginseng beauty mask
人参面膜

CLUSTER HOOD AND MASK
仪表组罩和面罩

Her smile masked true feelings.
她的微笑掩饰了她的感情。

occult是什么意思：
n. 神秘学
v. （被）掩蔽
adj. 神秘的，难以理解的，超自然的

The noise occultation was significant, and the undertone was the easiest one to be occulted.
噪音对信号的掩蔽作用显著，其中低音最易被掩蔽。

The moon occulted Mars.
月球掩蔽了火星。

Were not all things charged with occult virtues?
所有的一切事情，难道不是都有隐藏的品质？

occultation是什么意思：
n. 掩蔽,消失,躲藏

The noise occultation was significant, and the undertone was the easiest one to be occulted.
噪音对信号的掩蔽作用显著，其中低音最易被掩蔽。

The moon occulted Mars.
月球掩蔽了火星。

Were not all things charged with occult virtues?
所有的一切事情，难道不是都有隐藏的品质？