单词	boron carbide
释义	boron carbide noun : a refractory shiny black crystalline compound B4C that is one of the hardest known materials and is used especially in abrasives and as a structural reinforcing material Example Sentences Recent Examples on the Web The addition of silicon to boron carbide armor reduces the phase transformation by some 30 percent. Kyle Mizokami, Popular Mechanics, 29 Jan. 2020 Word History First Known Use 1891, in the meaning defined above
随便看	palaeology palaeologyes palaeologys palaeomagnetism palaeomagnetisms Palaeomastodon Palaeonemertea palaeonemertean palaeonemertine Palaeonemertini palaeoniscid Palaeoniscidae palaeoniscoid Palaeoniscum Palaeoniscus palaeontographies palaeontography palaeontologies palaeontologists palaeontologyes palaeontologys palaeopathologies palaeopathologist palaeopathologists palaeopathology

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。