词汇	to duck under water
释义	to duck under water 潜入水中
随便看	radiation resistant optical fiber radiation resistant paint Radiation Resistant Phenylene Silicone Rubber radiationresistant polymer radiation resistant polymer radiation resistant relay radiation resistant rubber radiation-resistent radiation-resistent, lubricant radiation resisting door radiation resisting window radiation resolution radiation respond radiation response radiation response element radiation responsive pickup radiation resulting from radioactive decay radiation-retarding door radiation-retarding frame radiation retinopathy radiation rib radiation risk radiation risk factor radiation safety control radiation safety measures