infalln.(河流的)汇流处；(道路的)交叉处；(水库；湖泊等的)进水口；入侵；流入INFabbr.步兵团(=infantry)abbr.不定式(=infinitive)abbr.中程核力量(=intermediate-range nuclear forces)Infared spectrum method红外光谱Influencing coefficient影响系数infiltration experiment原位influent impounded body补给地下水的水体infundibulum ethmoidale筛骨筛漏斗infiltrative dermopathy浸润性皮肤病infarct of the placenta胎盘梗死infiltrating irrigation渗灌Infiltration concretion渗透固结influent flowrate ratio进水流量比