stem不是单科,是其它几门单科的平均.
所有跟帖:
• Stem is the average of Math and Science. -HiThere123- ♂ (0 bytes) () 09/20/2016 postreply 14:52:22
• 长姿势了。 -高山峻岭流水人家- ♂ (0 bytes) () 09/20/2016 postreply 14:55:39
• Stem is the average of Math and Science. -HiThere123- ♂ (0 bytes) () 09/20/2016 postreply 14:52:22
• 长姿势了。 -高山峻岭流水人家- ♂ (0 bytes) () 09/20/2016 postreply 14:55:39