词汇	铁沙子
释义	铁沙子 iron pellets；shot沙子
随便看	method of residue method of residues method of residure method of resistance coefficient method of resonance method of restricted condition method of resultant method of resultants method of retained members method of reverberation matrix method of reverberation room method of reversal method of reversals method of reverse osmosis method of reverse word segmentation Method of Reversing Balancing Chemical Equation method of review method of revolution surface method of reward method of rhetoric method of rhinothrix cutting method of right and wrong cases method of right associates method of risk management method of river diversion