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Sentence
Span Details
平均寿命
life expectancy; average life span; mean lifetimenoun
が
subject markergrammar
延び
grow; lengthen; stretch; extend; straighten out; be flattened; become smooth; spread well; stretch out; reach out; lose elasticity; become slack; become soggy; make progress; improve; increase; expand; be knocked out; collapse; be exhausted; pass out; be prolonged; be extended; be postponed; be delayed; be put off; gain traction; get views; perform well online-> 伸びるichidan verb
ている。
ongoing or resultant stategrammar