One should trim his or her fingernails, wash hands ,put on hat and mask, and put on sterile gown and glove when needed.是什么意思_One should trim his or her fingernails, wash hands ,put on hat and mask, and put on sterile gown and glove when needed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句