单词	pre-existent
释义	请查阅词条：pre-exist
随便看	do damage to do damnedest do darnedest dodder doddered dodderer dodderer dodderers dodder-grass dodderiness dodderiness doddering doddering dodderky doddery doddle doddles doddy-pate dodeca- dodecagon dodecagonal dodecagonal dodecahedra dodecahedral dodecahedral 什么是原蜥脚类恐龙？什么是双星伴月什么是双盲研究？什么是反卫星武器? 什么是反坦克导弹? 什么是反射望远镜? 什么是反射？什么是反潜机? 什么是变量？什么是口蹄疫? Kurbelwinkelbereich Kurbelwinkelgrad Kurbelzapfen Kurbelzapfen Kurbelzapfendrehmaschine Kurbelzapfendruck Kurbelzapfenlager Kurbelzapfenmitte Kurbelzapfennabe Kurbelzapfenschmierung