polite and cordial, with a mellifluous, well-educated voice是什么意思？

polite and cordial, with a mellifluous, well-educated voice

彬彬有礼而热情真挚的，具有一副训练有素的甜蜜嗓音

polite

adj. 有礼貌的，有教养的，文雅的，上流社会的，应酬的，客套的；

例句
She had been surprised at how amiable and polite he had seemed.
看到他如此和蔼可亲、彬彬有礼，她非常惊讶。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

cordial

adj. 热诚的，诚恳的，兴奋的；n. 补品，兴奋剂，甘露酒；

例句
The whole air of menace was accentuated by the fact that he was so cordial and soft-voiced.
他如此亲切，说话轻声细语，这更加重了威胁的语气。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

mellifluous

adj. <正>声音甜美的，悦耳的；

例句
I grew up around people who had wonderful, mellifluous voices...
从小到大，生活在我周围的人都有着悦耳动听的嗓音。

voice

n. 嗓音，（动词的）语态，呼声，发言权，歌唱才能；vt. 发音，表达，说出，给（一部乐曲）配上声部，给（如管风琴音管）整声；

例句
Her voice is passionate. Her eyes are ablaze.
她声音激昂，目光如火。