平坦píng tǎn
level, even, smooth, flat并存bìng cún
to exist at the same time, to coexist乡镇xiāng zhèn
village, township开采kāi cǎi
to extract (ore or other resource from a mine)开阔kāi kuò
wide, open (spaces), to open up弥漫mí màn
to pervade, to fill the air循环xún huán
to cycle, to circulate, circle