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- closure against grazing 禁止放牧
- Torsion spring checks shall have reversible elastomer discs and in operation produce drip tight closure against reverse flow caused by backpressure or backsiphonage. 扭力弹簧止回阀应该配置双向合成橡胶阀瓣，并且在工作时对于反压力和反虹吸所产生的回流具有防滴漏关闭性能。
- Tri-link checks shall have reversible elastomer discs and in operation shall produce drip tight closure against reverse flow caused by backpressure or backsiphonage. 三连接止回阀应该配置双向合成橡胶阀瓣，运行时对于由于反压力或发虹吸产生的反向流动具有不透水的密封性。
- Torsion spring checks shall have replaceable elastomer discs and in operation produce drip tight closure against the reverse flow of liquid caused by backpressure or backsiphonage. 扭力弹簧止回阀应该有可更换合成橡胶阀瓣，并且在工作时对于反压力或反虹吸产生的流体回流能够产生防滴漏密封。
- He was the only one to speak out against the closure of the hospital. 只有他一人直言不讳地表示反对关闭医院。
- Buying a house is the best hedge against inflation. 购买房子是防止通货膨胀的最佳保障。
- The railway is under threat of closure. 那条铁路有停止运营的迹象。
- I saw a butterfly graze against the window. 我看到一只蝴蝶擦着窗飞过去。
- The huge trees were profiled against the night sky. 在夜空的映衬下显出大树的轮廓。
- The closure of the large factory made many workers live in idleness. 那家大工厂倒闭，使许多工人失业。
- To touch lightly in passing; graze against. 经过时轻触；轻擦
- No one dared to speak out against the injustice. 没人敢对不公正行为表示公开反对。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- The mayor is confident the war against crime will be won. 市长确信反犯罪活动之战争必定胜利。
- The ship beat back against a monsoon. 船逆着季风艰难地行驶。
- He lived over against the temple. 他住在那寺庙的正对面。
- The car's tyres graze d (against) the kerb. 汽车轮胎蹭到路边石.
- His eloquence did not avail against the facts. 他的雄辩在事实面前不起什么作用。
- Police reported the closure of the road/that the road was closed. 警方宣布那条道路禁止通行。
- Ed spoke up against letting girls join the club. 艾德发言表示反对让女孩加入俱乐部。
