四大盆地

four great basin depressions of China, namely: Tarim 塔里木盆地 in south Xinjiang, Jungar 準葛爾盆地|准葛尔盆地 and Tsaidam or Qaidam 柴達木盆地|柴达木盆地 in north Xinjiang Sichuan 四川盆地

four / 4

the four elements: earth, water, fire, and wind (Buddhism) / the four freedoms: speaking out freely, airing views fully, holding great debates, and writing big-character posters, 大鳴大放|大鸣大放[da4 ming2 da4 fang4], 大辯論|大辩论[da4 bian4 lun4], 大字報|大字报[da4 zi4 bao4] (PRC)

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

basin / flower pot / unit of volume equal to 12 斗[dou3] and 8 升[sheng1], approx 128 liters / CL:個|个[ge4]

(geography) basin / depression

-ly / structural particle: used before a verb or adjective, linking it to preceding modifying adverbial adjunct

earth / ground / field / place / land / CL:片[pian4]