狭窄的街道上交通堵塞。
Last year, China's environment was facing a grave situation, with several major rivers and lakes clogged by industrial waste.去年,中国的环境面临着严峻的形势,几处主要的河流和湖泊被工业废料堵塞。
When much blood had clogged their chariot wheels, I would go up and wash them from sweet wells, even with truths that lie too deep for taint.当大量的血液阻塞了马车的车轮之际,我就要起身,用甘甜的井水刷洗它们,甚至是用深深隐藏在污点后的事实。