| 正面 | 4707.mortality 英 [mɔː'tælɪtɪ]美 [mɔr'tæləti]     |
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| 背面 |     释义： 1、philo- + soph- + -ic + -al.2、literally "love of knowledge, love of wisdom, pursuit of wisdom".n. 死亡数，死亡率；必死性，必死的命运 例句： 1. Premature birth is the main cause of perinatal mortality.早产是临产死亡的主要原因。 mortality 死亡率，死亡数量来自mortal,死亡的，致命的。引申词义死亡率，死亡数量。 mortality (n.)mid-14c., "condition of being mortal," from Old French mortalite "massacre, slaughter; fatal illness; poverty; destruction" (12c.), from Latin mortalitem (nominative mortalitas) "state of being mortal; subjection to death," from mortalis (see mortal (adj.)). Meaning "widespread death" is from c. 1400; meaning "number of deaths from some cause or in a given period" is from 1640s." |