rust away

And if they are indeed the same nails — eaten away by rust and bent at the end, almost purposefully — was their disappearance a conspiracy or a logistical slip-up?(假如千真万确是那两颗铁钉，已经锈迹斑斑且顶端弯曲，几乎故意所为，这样的失踪是蓄意密谋还是逻辑错误？)

Rust has eaten away at the metal frame.(这个金属框已被慢慢腐蚀了。)

Make it a habit to clean the bore with a cleaning rod and patch to wipe away anti-rust compounds in the gun each time immediately before you shoot it.(应该养成一个习惯，那就是在每次射击前用通条、擦枪布擦去枪内的防锈油。)

Whether it's doing logic puzzles, memorizing lines from Shakespeare, or learning a new skill, keep your brain busy, if you don't want it to rust away like a car in a junkyard.(不论是做逻辑难题，熟记莎士比亚的台词，或者学会一项新技能，使你的大脑忙起来，如果你不想让它想废品堆里的轿车一样锈掉的话。)

It is a kind of new ways of treatment "bronze Disease" to clean away powdery rust of bronze relics by laser technology.(用激光技术清除青铜器文物的粉状锈开辟了防治“青铜病”的一种新途径。)

This preparation consists of sanding away any paint or rust to obtain a smooth but not highly polished surface.(准备工作包括用砂纸打磨，除去油漆和锈迹，以使表面光滑但又不抛得很光。)

Exposed iron will gradually rust away to powder.(放在露天的铁会逐渐锈成粉末。)

If the surface contains rust, which should be in advance cleaned away by metallic brush, in addition to, can also wipe the surface.(如果表面有易剥落锈蚀，应事先用金属刷清除，必要时还可用酒精、丙酮等有机溶剂擦拭表面。)

We kind of let the industry rust away.(我们有点让这个产业生锈老去了。)

He rubbed away the rust on the surfaces of the iron tank with a piece of sandpaper last week.(上星期他用一张沙纸把铁箱表面的锈蹭掉了。)