定义
a (protective, gas) mask: （防护、防毒）面具
(the) masked (avenger): 蒙面的（复仇者）
- "Tobacco smoke may smell unpleasant, but it certainly is a good mask."
- "We have video footage of masked members of this group breaking in to our establishment shortly before we opened on Friday."
- "Before you enter, you may want to put on this protective mask, and above all, don't look him in the eyes!"
- "There are many beautiful flowers there in bloom this time of year, so those who suffer from hay fever should bring some antihistamines or a protective mask."
- "I brought my eyes wide shut mask and everything!"
- "Olaf : Ok, Klaus, my mask is on."
- "Cleaning equipment and gas masks are available in my office."
- "Before you enter, you may want to put on this protective mask, you never know what might happen."
