Warning: file_put_contents(/home/www/wwwroot/tjuzi.com/cache/cadeae9d4ad4399d1acf1aebedc309c4.txt): failed to open stream: No space left on device in /home/www/wwwroot/tjuzi.com/index.php on line 55 mono-particle例句_mono-particle英汉例句_mono-particle双解例句_橘子化妆朗文词典
A respirator is designed to protect the person wearing the respirator against breathing in very small particle aerosols that may contain viruses. 呼吸器是爲保護使用者的呼吸,防止吸入空氣中非常微小的顆粒物氣溶膠設計的,這些氣溶膠中就會包含有病原微生物。