maokeke
发表于 2010-10-27 22:28
reactant, precursor, substrate, starting material 都行。
乖乖熊
发表于 2010-10-28 11:00
substrate
gamejazz
发表于 2010-10-28 13:37
牛啊，害人不浅
obi
发表于 2010-12-8 15:35
I would take "reactant" or "starting meterial", "substrate" is something else.
uiaxm
发表于 2010-12-13 02:45
{:5_370:}
大家都是英语高手啊!
牛B!