例句與造句

1. Buchner demonstrated that the conversion of glucose to ethanol was possible using a non-living extract of yeast ( due to the action of enzymes in the extract ).
2. The experiment for which Buchner won the Nobel Prize consisted of producing a cell-free extract of yeast cells and showing that this " press juice " could ferment sugar.
3. It's difficult to find extract of yeast in a sentence. 用extract of yeast造句挺難的