Vast tracts of the country are wild and undeveloped...乡间大片大片的荒地尚未开发。Each sequence is made of transgressive system tracts and highstand system tracts.认为娄山关组由7个三级层序组成,层序界面为古岩溶不整合面或暴露带,每个层序都由海进体系域和高水位体系域构成.Large tracts of w...
My bulging thighs and flabby stomach made me depressed.我大腿太粗，肚子上也净是赘肉，让我很发愁。He isn't just fat, he's flabby.他不光是肥胖, 而且肌肉松弛.His eyes were not keen, his face marked, his hands flabby.他目光呆滞, 满脸皱纹, 双手无力....