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- With the system to simulate rain precipitation, combined ACM (Atmosphere Corrosion Monitor), AAS( Atom Adsorption Spectrum) and SEM, the corrosion and runoff behavior for A3 steel were studied under the environment to simulate rain precipitation. 利用模拟降雨综合装置，结合ACM（大气腐蚀监测仪）和原子吸收光谱仪及SEM方法，研究了A3钢在模拟降雨环境中的腐蚀和冲刷行为。
- No sooner had we left the village than it began to rain. 我们刚离开村子，天就下起雨来了。
- There will be rain in all parts of the country. 全国各地将有雨。
- It looks as if it will rain before long. 看起来一会儿就要下雨了。
- After the rain the corn shot up as if by magic. 雨后玉米苗像变魔术一般的长起来了。
- Rain clouds are banking up. Hope they'll blow over. 雨云正在聚积起来。希望它们会散去。
- The window was all smeared after the rain. 下过雨后窗户都脏了。
- The street glistened in the rain. 街道在雨水中闪光。
- It will doubtless rain on sports day. 开运动会那天多半会下雨。
- The lowering clouds threaten rain. 这阴霾的云层预示即将下雨。
- The rain water drips from the roof. 雨水从屋顶滴下来。
- Rain has been drumming on the windows all night. 大雨通夜不停地敲打着窗户。
- Have you got any rain check for the following game? 你拿到下一场球的免费票了吗？
- It looks like rain; we'd better run for it. 天像是要下雨了，我们赶紧快跑吧。
- Dark clouds are a sign of rain or snow. 乌云是雨或雪将至的预兆。
- The boys went for a walk despite of the rain. 尽管下雨，孩子们还是去散步。
- The heavy rain made a great mess of the garden. 这场大雨把花园搞得一团糟。
- Poor John was exposed to the wind and rain. 可怜的约翰处于风雨交加之中。
- The rain drip down from a leak in the roof. 雨水从屋顶的裂缝中滴漏下来。
- The rain is leaking in large drop through the roof. 雨正大滴大滴地从屋顶漏下来。
