transcription, транскрипция: [ kælsiəm ]
Calcium is a soft white element which is found in bones and teeth, and also in limestone, chalk, and marble.
N-UNCOUNT
transcription, транскрипция: [ kælsiəm ]
Calcium is a soft white element which is found in bones and teeth, and also in limestone, chalk, and marble.
N-UNCOUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006