mask/mɑːsk $ mæsk/

n. sth that covers all or part of your face in order to protect or hide it

v. prevent sth from being seen or noticed

n. [C] 面具，面罩；口罩：The bank robbers wore masks. 银行抢劫犯戴着面罩。

◇The doctor wore a mask. 医生戴着口罩。

v. [T] 掩饰；隐藏：She put in some sugar to mask the taste of the medicine. 她放进一些糖来掩盖药味。

音组-ask/-ɑːsk $ -æsk/

ask; mask; task