maokeke
发表于 2010-10-27 21:28
reactant, precursor, substrate, starting material 都行。
乖乖熊
发表于 2010-10-28 10:00
substrate
gamejazz
发表于 2010-10-28 12:37
牛啊，害人不浅
obi
发表于 2010-12-8 14:35
I would take "reactant" or "starting meterial", "substrate" is something else.
uiaxm
发表于 2010-12-13 01:45
{:5_370:}
大家都是英语高手啊!
牛B!