transcription, транскрипция: [ sɪlɪkə ]
Silica is silicon dioxide, a compound of silicon which is found in sand, quartz, and flint, and which is used to make glass.
N-UNCOUNT
transcription, транскрипция: [ sɪlɪkə ]
Silica is silicon dioxide, a compound of silicon which is found in sand, quartz, and flint, and which is used to make glass.
N-UNCOUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006