| 单词 | upper respiratory tract |
| 释义 | upper respiratory tract (once / 562825 pages) n WORD FAMILY upper respiratory tract USAGE EXAMPLESThe common cold season is here, and if you have children, you will likely feel their suffering from these annoying upper respiratory tract viral infections. Slate(Nov 23, 2016) Upper respiratory tract infections and colds are often caused by viruses, so antibacterials won’t cure them. Wall Street Journal(Sep 15, 2016) The letter says the illness stemmed from seasonal allergies that developed into an upper respiratory tract infection. Seattle Times(Sep 14, 2016) n the nose and throat and trachea Hyper airway, respiratory tract the passages through which air enters and leaves the body |
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