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1.an open-and-shut case
一个一目了然的案件收藏指正
2.As far as I can see the whole matter is open and shut.
我看整件事是一清二楚.收藏指正
3.Open and shut-down is operated by the density variati on bet ween condensation water and steam,Condesation water can drive valve directly,featuring precision and reliability.
倒置桶疏水阀的开启和关闭是根据凝结水和蒸汽的密度差来动作的，凝结水可直接驱动疏水阀启闭，其动作准确，可靠性高。收藏指正
4.Three witnesses saw her at the scene of the crime and so the police naturally thought they had an open and shut case.
三个目击者证明她在犯罪现场，所以警方认为解决问题的办法已非常清楚。收藏指正
5.What a blessing it would be if we could open and shut our ears as easily as we do our eyes.
倘使他们能够像开闭眼睛一样开闭耳朵的话，那将会是多么大的福气啊。收藏指正
6.What a blessing it will is if we can open and shut our ear as easily as we do our eyes.
倘使我们能够象开闭眼睛一样开闭耳朵的话，那将会是多么大的福气啊。收藏指正
7.Louvered window is made of aluminum alloy, with special pneumatic open and shutting sructure to ensure the window completely open and shut,it can be in storm proof, rain proof and dust proof of carring belt rotary,which get the national patent.
百叶窗采用铝合金，具有独特的气动式开闭机构，保证百叶窗完全打开或关闭，百叶窗达到防风，防雨，防尘采用支撑皮带转动，已获得国家专利。收藏指正
8.What a blessing it would be, if we could open and shut our ears as&n, bsp;easily as we do our eyes.
如果我们能象开关眼睛一样很容易地开关耳朵，那该多有福气啊。收藏指正
9.This spring-loaded steel hook snaps open and shut easily, allowing you to rapidly connect restraints to chains, spreader bars, other restraints, etc.
这个弹簧支撑钢勾子短冷期容易地打开和关闭,允许您迅速地连接克制到链子,分布器酒吧、其它克制,等。收藏指正
10.The stent keeps the artery open, and drug-coated ones ooze medication to keep scar tissue from forming and the essel from squeezing shut again.
插入的支架可以保持血管通畅，而渗透着药物的支架更可以防止疤痕组织形成，血管重新阻塞。收藏指正
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同义词辨析
辨析1:
这些形容词都有“空的”之意。
empty: 指空无一人或一物，或空洞无意义的。
vacant: 普通用词，侧重某物或某个位置没有被占用。
hollow: 指物体中间是空的。
blank: 指上面没有写字、印刷或做记号的空白表面，或指上面留着准备被填写的空白处。
open : 指未被占有，从而可被别人得到的。
辨析1:
这些形容词都有“坦率，诚实”之意。
frank: 强调毫无保留地畅所欲言，不受任何约束。
open : 指不隐瞒自己的秘密，愿意向他人表露自己或公开暴露自己的缺点。
plain: 指直言不讳，毫不做作或故弄玄虚。
blunt: 指讲话坦白直率、不客气，但隐含不得体、不顾及他人感情等意味。
honest: 指遵守正直等道德准则。
sincere: 侧重指一个人出自内心地对某人某事表示一种诚意。
straightforward: 多用于答复、叙述等场合。指直截了当，不回避，或故弄玄虚。
辨析1:
这两个动词均有“打开”之意。
unfold: 主要指把原来包好、卷好或叠好的东西再打开。
open : 普通用词，指把原来关起来或盖紧的东西打开。