pilot balloon observation pilotballoon observation pilotballoonobservation
Related Translations:
风气: general mood; atmosphere; common practice; fashion; ethos 短语和例子社会风气 current tendencies in society; social mode; 风气很盛 become rife; 蔚成风气 become a common practice; 我们要养成勤俭节约的好风气。 we should cu
