[péng bó]
vigorous; flourishing; exuberant; thriving; full of vitality; going full steam ahead
grow vigorously; grow with vigour; develop vigorously; surge forward full of vigour; vigorous
蓬勃发展
swing
蓬勃发展的阶段
the vibrant atmosphere of a new age
新时代的蓬勃气氛
a vital new society
朝气蓬勃的新社会
The movement is developing vigorously.
运动正在蓬勃开展。