v undergo condensation; change from a gaseous to a liquid state and fall in drops
v extract by the process of distillation
v undergo the process of distillation
v give off (a liquid)
v remove impurities from, increase the concentration of, and separate through the process of distillation
v undergo the process of distillation
v extract by the process of distillation
v undergo condensation; change from a gaseous to a liquid state and fall in drops
v give off (a liquid)
a. 由蒸馏得来的;净化的