“重荷”用英语怎么说

几乎全部重荷都放在英国南部和中部的拥挤区域.Almost the entire burden was thrown onto the crowded sections of middle and southern England.高密度的人口使环境难堪重荷.High population densities are putting enormous stress on the environment.运货马车在所有重荷之下将会被压垮.T...