[with obj.](formal)surround; enclose (正式)围绕,环绕 the stone circle was environed by an expanse of peat soil. 石铺的圆形广场四周是一大片泥炭地。
语源
Middle English (formerly also as inviron): from Old French environer, from environ 'surroundings', from en 'in' + viron 'circuit' (from virer 'to turn, veer')