“stick lac”可以造什么句，stick lac造句
来源：语文精选馆 2.39W
granular material obtained from stick lac by crushing and washing.
scarlet dye like cochineal; extracted with alkali from stick lac.
The copper in stick lac existed mainly in the corpses of the lac insect and that was the main pollution source causing copper pollution in laccaic acid (lac dye ) .
