单词	prolongation
释义	请查阅词条：prolong
随便看	friendlike friendlily friendlily friendliness friendliness friendlinesses friendly friendly bacteria friendly-fiendly friendly fire Friendly Games friendly/good-natured remark Friendly Islands friendly lead friendly relationship friendly societies friendly society friend of Dorothy friends friendship friendship bracelet friendship center friendship centre friendship plant friendship quilt 谐谐剧谐和谐声谐振谐美谐调谐谑谐音谑 Differentialstern Differentialstirnrad Differentialteilen Differentialteilgerät Differentialthermoanalyse Differentialthermoelement Differentialthermometer Differentialtitrierung Differentialtransformator Differentialventil