He took no heed of the course he pursued so long as that course led him through the swale bottom .
他不再理会走什么 路,只要这 条路 能走出 这 片 谷底就 行。
Soil erosion is weaker in high and flat area than that in low area and swale this new regularity differs from the past .
高平 地土壤侵蚀较弱,低地与 洼地侵蚀 较强,这是 本文得出的与以往不同的 重要规律。
美[sweɪl]英[sweɪl]
n.沼泽地,洼地
v.放火烧,烧焦