单词	birthrate fluctuation
释义	birthrate fluctuation 出生率波动
随便看	oil-and-gas reserves volume oil and gas reservior oil and gas reservoil formation oil and gas reservoir Oil and Gas Reservoirs oil and gas resource oil and gas resource area oil and gas resources Oil-and-Gas resources oil and gas resources assessment oil and gas riggers oil and gas secondary migration oil and gas security oil and gas seepage oil and gas separater oil and gas separation oil and gas separator oil and gas severance tax oil and gas show oil and gas station oil and gas stimulation oil and gas storage oil-and-gas storage oil and gas storage cavem oil and gas storage cavern