backwater 核心詞議：
n. 回水；與世隔絕的地區；落后地區
v. 倒劃；〈美口〉放棄原來的立場；食言
backwater 基本解釋
n. 回水，回流；滯水，死水；閉塞的地方；不受外界事件或新思想影響的地方
v. 倒開船；食言
速記方法知識擴展
backwater 變化形式
復數： backwaters
易混淆的單詞： Backwater
中文詞源：
backwater
精選例句
1、 The state's high schools remain an educational backwater where dropout rates are rising.
該州的高中仍舊是教育封閉落后之所，輟學率在上升。
常見考點例句：
- For many years , the commodities sector was an economic backwater .
- 許多年間，大宗商品行業曾是經濟中的一處回水。
- If policymakers leave commodities trading unattended , this erstwhile backwater could one day become a sea of economic troubles .
- 如果政策制定者們對大宗商品交易放任不管，這一昔日的回水可能有朝一日會變成經濟的麻煩之海。
- We didn 't see any river rocks , but this kind of lamination looked a lot like lake or backwater channel deposits .
- 我們不再看到河流巖石，但是這種層壓看起來更像湖泊或回水通道沉積物。
- 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，請一個水管工安裝一個回水閥，因為聽來似乎你家現在沒有裝。
- 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 .
- 這些沉積物看起來疑似某種湖泊或者回水通道沉積物，但是他們在現在峽谷地面的幾百米之上，在梯田的黃土沉積物之下。