核心词议：
n. 回水；与世隔绝的地区；落后地区
v. 倒划；〈美口〉放弃原来的立场；食言
backwater 基本解释
n. 回水，回流；滞水，死水；闭塞的地方；不受外界事件或新思想影响的地方
v. 倒开船；食言
v. 倒开船；食言
速记方法
知识扩展
backwater 变化形式
复数： backwaters
易混淆的单词： Backwater
易混淆的单词： Backwater
中文词源： backwater
精选例句
1、 The state's high schools remain an educational backwater where dropout rates are rising.
该州的高中仍旧是教育封闭落后之所，辍学率在上升。
常见考点例句：
- For many years , the commodities sector was an economic backwater .
- 许多年间，大宗商品行业曾是经济中的一处回水。
- If policymakers leave commodities trading unattended , this erstwhile backwater could one day become a sea of economic troubles .
- 如果政策制定者们对大宗商品交易放任不管，这一昔日的回水可能有朝一日会变成经济的麻烦之海。
- We didn 't see any river rocks , but this kind of lamination looked a lot like lake or backwater channel deposits .
- 我们不再看到河流岩石，但是这种层压看起来更像湖泊或回水通道沉积物。
- To protect against future flooding , check with a plumber to have a backwater valve installed , because it sounds like your home currently does not have one .
- 防患于未然，请一个水管工安装一个回水阀，因为听来似乎你家现在没有装。
- These deposits look suspiciously like some kind of lake or backwater channel deposits , but they are several hundred meters above the current valley floor and underneath loess deposits in terraces .
- 这些沉积物看起来疑似某种湖泊或者回水通道沉积物，但是他们在现在峡谷地面的几百米之上，在梯田的黄土沉积物之下。
