The virus enters a host cell after part of HA, the receptor-binding domain (RBD), has bound to a specific part of the cell.是什么意思_The virus enters a host cell after part of HA, the receptor-binding domain (RBD), has bound to a specific part of the cell.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句