改进: to improve, to make better...
全文: entire text, full text...
回: (a measure word for matters or actions) a time, to circle, to go back, to turn around, to answer, to return, to revolve, Islam...
决策: strategic decision, decision-making, policy decision, to determine policy...
摸: feel; stroke; touch,try to find out; fish for; fumble...
霍乱: cholera...
蒸发: to evaporate, evaporation...
谈起: to mention, to speak of, to talk about...
问: to ask, to inquire...
平静: tranquil, undisturbed, serene...