权力下放delegate power to the lower levels; shift of power to the grassroots
下放审批权delegate the authority to examine and approve to lower levels
下元久冷enduring cold of the lower origin
右下腹right lower quadrant
大腿(下肢)upper leg (lower cxtremity )
低等植物lower plant
下辨别阈lower threshold
下游区part of lower stream