规矩: compass and set square, established standard, rule, customs, practices, upright and honest, well-behaved...
酒精: alcohol, ethanol CH3CH2OH, ethyl alcohol, also written, grain alcohol...
民用: (for) civilian use...
记得: to remember...
还原: to restore to the original state, to reconstruct (an event), reduction (chemistry)...
由此看来: by this token...
有限: limited, finite...
文娱: cultural recreation, entertainment...
手法: technique, trick, skill...
盐: salt...
