Research of recession flow on the loess slope and its nitrogen pollution;
黄土坡面退水及其氮污染试验研究
Treatment of desizing wastewater by ultrafiltration technology;
有机超滤膜处理退浆废水实验研究
Effects of poly(vinyl alcohol) in desizing wastewater and its degradation performance;
退浆废水中PVA对环境的影响及其降解性能
Study on the treatment of desizing wastewater by flocculation;
絮凝法处理退浆废水的实验研究
strand line
(水退前的)海岸水线
The foundations sank after the flood.
洪水退后地基下陷了.
A thick deposit of mud lay on the fields when the flood went down.
洪水退后, 田野上留下一层厚泥.
The floodwaters subsided and the hot sun dried out the wooden building.
洪水退了，灼热的阳光晒干木屋。
The foundations sank (two feet) after the flood.
洪水退後地基下陷了（两英尺）.
Then Noah knew for certain that the water on the earth had subsided still further.
诺亚就知道地面上的水退得差不多了。
We couldn' t swim the tide was too far out.
我们不能游泳了--潮水退得太远了.
The countryside was engulfed in a sea of mud left by the receding flood-water.
洪水退去，留下的泥浆淹没了这个乡村。
The village was engulfed in a sea of mud left by the receding flood-water.
洪水退后村子里遍地都是泥浆。
To fall back from the flood stage.
（潮）退从大水状态退落下来
They retreated from the flood to the top of a hill.
他们从洪水中撤退,退到一个小山顶上。
Study is like sailing against the current; either you keep forging ahead or you keep falling behind.
学如逆水行舟，不进则退。
Like a boat sailing against the current, we must forge ahead or be swept downstream.
犹如逆水行舟，不进则退。
Not to advance be to go back .
逆水行舟，不进则退。
an outgoing ship, tide
离岸的船、 退落的潮水
They are reverting toward the average.
他们正向平均水平后退。
A boat sailing against the current must forge ahead or it will be driven back.
逆水行舟, 不进则退。
ebb tide:The receding or outgoing tide; the period between high water and the succeeding low water.
落潮:退去或退落的潮水;高水位相继的低水位时期.