词汇	polar mesosphere
释义	polar mesosphere 极区中层大气
随便看	motivation analysis motivation analysis algorithm motivation and behavior motivation and conditions motivationally motivationally deficient motivational mechanism motivational model motivational principles motivational process motivational psychology Motivational psychology motivational regulation motivational research motivational state motivational strategies motivational strategies for learning motivational structure motivational system motivational systematic transition motivational techniques motivational theory motivational training motivational transition motivation and development