屏蔽

to screen / to block (sth or sb) / to shield / (protective) shield

see 屏營|屏营[bing1 ying2]

to get rid of / to put aside / to reject / to keep control / to hold (one's breath)

(standing) screen

to cover / to shield / to screen / to conceal

subnet mask (computing)

cask

nuclear shielding