a monotheistic system of beliefs and practices based on the Old Testament and the teachings of Jesus as embodied in the New Testament and emphasizing the role of Jesus as savior
the collective body of Christians throughout the world and history (found predominantly in Europe and the Americas and Australia);
"for a thousand years the Roman Catholic Church was the principal church of Christendom"
The cross is an emblem of Christianity. 十字架是基督教的象徵。
She abandoned paganism for Christianity. 她放弃异教而改信基督教。
True Christianity cannot be privatized or isolated and must be lived in the Christ Confessing Covenant Community. 真正的基督教精神是不能被私有化或孤立的，它必须在认信基督的圣约团体之中活出来。
