- 重点词汇
- aart. (用于可数名词或单数名词前，表示未曾提到的)一(人、事、物);用于前有形容词或后有短语的不可数名词前;一（个）;每一（个）;任一（个）;
- orconj.或，或者;还是;不然，否则;左右;
- isvt.& vi. 是(be的三单形式);
- installingv.安装( install的现在分词 );安顿;安置;使…正式就职;
- inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
- recommendedadj.被推荐的;
- vaultn.拱顶，穹窿;地下室;撑物跳;墓穴;
- pitn.井;煤矿;麻子;（赛车道旁的）修理加油站;
- preventern.妨碍物;
- notadv. (否定后面的词或短语，或作否定的回答)不;(构成动词be、do和have及情态动词can或must等的否定形式，常缩略为n't)没有;否，或许不;（拒绝或不允许）不
- 相关例句
During irrigation period , the backflow from the farmland pollutes the branch.
每当农业灌溉之时, 支流都因倒流而严重污染.
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Backflow preventer manufactured from 300 Series stainless steel for corrosion resistance.
防回流阀采用耐腐蚀的300系列不锈钢制造.
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From this causes two backflow agitation efficiency not high substantial clause.
由此引起二次回流搅动效率不高的重要原因.
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By 12:00. we were eating the dumplings. wrapped in peanut inside. backgammon or moral.
到了12:00. 我们一起吃饺子. 里面包着花生. 寓意步步高升.
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'No; I am going to play backgammon with you, if you like,'said the Doctor.
“ 我不想出去.如果你乐意, 我还想跟你掷骰子呢, ” 医生说.
英汉文学 - 双城记
Is the classic game of backgammon cell phone. The screen is beautiful!
手机游戏介绍:非常经典的五子棋手机游戏. 画面很精美!
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The more they probed into his background, the more inflamed their suspicions would become.
他们越调查他的背景，疑团就越多。
《柯林斯高阶英汉双解学习词典》
Robbie was there with his family, keeping rather in the background.
罗比和他的家人一起在那里，深居简出。
《柯林斯高阶英汉双解学习词典》
What had bonded them instantly and so completely was their similar background.
是相似的生活背景使他们很快变得亲密无间。
《柯林斯高阶英汉双解学习词典》
The background to the current troubles is provided by the dire state of the country's economy.
目前的问题是在国家经济岌岌可危的背景下出现的。
《柯林斯高阶英汉双解学习词典》
The meeting takes place against a background of continuing political violence.
这次会议是在政治暴力连续不断的背景下召开的。
《柯林斯高阶英汉双解学习词典》
