His songs are often both hypnotic and reassuringly pleasant...是什么意思？

His songs are often both hypnotic and reassuringly pleasant...

他的歌声经常让人在沉醉的同时又感到放松愉悦。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

songs

n. 歌曲( song的名词复数 )，歌唱，（统称）歌曲；

例句
...the songs of birds that bring the garden alive.
使花园恢复了生机的小鸟的鸣啭

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；

例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

often

adv. 常常，经常，时常，再三；

例句
Genetic abnormalities are more often associated with faults in paternal DNA than in maternal DNA.
相对于母本DNA,基因畸变往往更多地与父本DNA上的缺陷相关。

both

adj. 二者，两者都；pron. 二者；adv. 二者，二者都；conj. 不仅…而且…，…和…都；

例句
The gym can be used by both able-bodied and disabled people.
这家健身房健全和残障人士都可使用。

hypnotic

adj. 催眠术的，易于催眠的；n. 安眠药，催眠状态的人；

例句
The hypnotic state actually lies somewhere between being awake and being asleep.
催眠状态实际上介乎清醒和睡眠之间。

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。

reassuringly

adv. 安慰地，鼓励地；

例句
His songs are often both hypnotic and reassuringly pleasant...
他的歌声经常让人在沉醉的同时又感到放松愉悦。

pleasant

adj. 可爱的，令人愉快的，有趣的，晴朗的；

例句
He could be very pleasant when he wanted to.
他想要友好的时候会非常友好。