- 重点词汇
- hermeticadj.密封的，不透气的;不受外界影响的;炼金术的;深奥的;
- premiumn.额外费用;保险费;附加费;
- effectivelyadv.有效地;实际上，事实上;
- moredet./pron.更多;(数、量等)更大的;更多的或附加的人或事物;
- theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用，指事物或统称的人;用于姓氏的复数形式前，指家庭或夫妇;（指特定用途的事物）足够，恰好;每，一;当前的，本，此;（重读，表示所指的为知名或重要的人或事物）
- designv.设计;制图;构思;计划;制定;制造;
- makevt. 做，制造;生产，制定;使成为;使产生;
- ofprep. 关于;属于…的;由…制成;
- 相关例句
The salt water, being more dense, flows upstream under the fresh water which is flowing downstream.
淡水在上层向下流动,比重更大的盐水在下层逆流向上.
词典精选例句
There are 175 water quality monitoring sections, 29 of which are mainstream ones.
175个水质监测断面, 其中干流断面29个.
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The sand and gravel in the Yangtze river is good building and filling materials.
摘要长江中下游干流河道内的砂石是较好的建筑和填筑材料.
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Finally, some recommendations for current monitoring of the River, are presented.
最后, 提出了一些改善当前海河干流监测的建议.
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There was something even richer than that, running as a hidden strain, in her mind.
她的心里还有一股比喜欢更深厚的感情暗流.
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Would you eat a ready meal from the fridge rather than cook from scratch?
你是不是喜欢吃冰箱里的即食餐而不自己从手做?
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He tore off a short letter to his family while waiting in the airport lounge.
他在候机室等待飞机时,匆匆地给家里人写了一封短信.
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