| 释义 |
DictionarySeerosingum rosin
rosin, colophonyA resin obtained as a residue in the distillation of crude turpentine from the sap of pine trees (gum rosin) or from an extract of the stumps and other parts of them (wood rosin).gum elastic bougie
gum elastic bougieA small, flexible instrument used to locate the trachea. It is used as an intubation aid, esp. when intubation with standard techniques is difficult. See also: bougie |