您要查找的是不是：
- Respirators: Unless otherwise specified, "respirator" refers to an N95 or higher filtering face piece respirator certified by the CDC/National Institute for Occupational Safety and Health (NIOSH). 呼吸器：除非另外说明，本文件中所指“呼吸器”是N95级别或更高级别的，得到CDC/国家职业安全健康研究所（NIOSH）认证的随弃式呼吸防护口罩。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- He tried to put a bold face on his failure. 他对自己的失败装出一副满不在乎的样子。
- Formulation of CIIR face piece compound for gas mask CIIR防毒面具罩体胶料的配方设计
- She wiped off the sweat from her face with a piece of facial tissue. 她用一张面巾纸擦掉脸上的汗水。
- I dry my hands and face with the towel. 我用毛巾擦干了双手和面部。
- The sea have erode the cliff face over the years. 海水经年累月冲刷著峭壁的表面。
- He managed to hang on to a piece of rock protruding from the cliff face. 他设法抓住悬崖表面向外伸出的岩石。
- He stumbled over a stump and fell flat on his face. 他给树桩一绊，摔了个嘴啃泥。
- Get the stardust out of your eyes and face reality. 抛弃天真的想法而面对现实。
- A dash of water in his face will revive him. 向他脸上泼水能使他苏醒。
- I felt a certain indisposition to face reality. 我多少有些不愿意面对现实。
- Her face was overclouded with grief. 她的脸色因悲伤而变阴沉。
- His ashen face showed how shocked he was. 他面如土色，说明他多么惊骇。
- The shadow of death is on his face. 死亡的阴影笼罩在他的脸上。
- Her face is sprinkled with tiny freckles. 她的脸上有点点的雀斑。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- The old lady has a haggard face. 老太太的脸很枯槁。
- An expression of pain flitted across her face. 她脸上闪过一种痛苦的表情。
- She covered her face with her hands. 她双手掩面。
