Application of Sevoflurane Inhalation Anesthesia by Mask in Children Undertaking Lacrimal Passage Probing;
七氟醚面罩吸入麻醉在小儿泪道探通术中的应用
In this article,the author tries to analyze some skills in singing,such as,the resonance of head cavity,mask resounding,the throat-opening,breath-supporting and pronunciation,in order to overcome some difficulties of getting pure and beautiful tone color.
本文试图通过对演唱音色的技术关注(头腔共鸣、面罩共鸣、打开喉咙、呼吸支持、咬字吐字),破解获取纯美音色的难题。
A person wearing a mask.
带面具（面罩）的人
She raised / lowered her veil.
她撩起[放下]面罩.
To remove one's mask.
脱去自己的面具（或面罩）
half-mask respirator
半面罩式呼吸防护器
She concealed her identity by wearing a mask.
她戴了面罩以免被认出。
Do you rent masks and flippers?
你出租面罩和蛙鞋吗?
The mask was closing on his face.
面罩挨到了他的脸上。
single-use dust mask
只用一次的防尘面罩
bag valve mask resuscitator
胶囊活门面罩复苏器
wore a facemask while diving;a skier's facemask;armed robbers who wore facemasks.
开车时带面罩；滑冰者的面罩；戴着面具的持械强盗
a mask to protect the face of the catcher in baseball.
棒球运动中保护接球手面部的面罩。
a catcher's mask with a strong wire face.
面部使用强力金属丝的一种接球面罩。
Three men, with handkerchiefs over their faces, jumped out and ran into the post office.
三个戴面罩的人跳下车，冲进了邮局，
two-tone reversible cotton woven spread
两面用两色棉织床罩
reversible woven crinkle cotton spread
两面用绉纹棉织床罩
A pair of leather flaps attached to a horse's bridle to curtail side vision.
马的眼罩系在马勒上缩短侧面视线的一对皮罩
blinder:a pair of leather flaps attached to a horse's bridle to curtail side vision.
马的眼罩:系在马勒上缩短侧面视线的一对皮罩。
The veil she was wearing obscured her features.
她罩的面纱遮掩了她的面容。