词汇	He is sickly
释义	He is sickly. 他体弱多
随便看	standard normal variate standard normal Z distribution standard normal Z transformation standard notation standard note standard nozzle standard n simplex standardnuclearpower block standard nuclear power block standard null pointer standard number standard numerical attribute standard numeric display standard numeric keyboard standard nursing service standard nut standard nylon screw finisher standard object standard observation standard observation value standard observer standard observer data standard obstacle standard obstacle course standard ocean