Newington threw his head back and cackled with laughter.是什么意思？

Newington threw his head back and cackled with laughter.

纽因顿仰头大笑。

Newington

[人名] 纽因顿，[地名] [美国、南非共和国、英国] 纽因顿；

threw

v. 投( throw的过去式 )，掷，扔，抛；

例句
Helen threw her arms about him...
海伦张开双臂拥抱他。

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。

head

n. 上端，头脑，头部，首脑，首长；vt. 用头顶，前进，作为…的首领，站在…的前头；vi. 朝…行进，出发，向…方向移动，船驶往；adj. 头的，在前头的，首要的，在顶端的；

例句
His shaven head accentuates his large round face...
光头使他的大圆脸更加突出。

back

n. 背，背部，背面，反面，后面，后部，（椅子等的）靠

例句
He looked back at the abject, silent girl and repeated his question.
他转过头看着这个噤若寒蝉的女孩，又重复了一遍他的问题。

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。

cackled

v. 发出咯咯声( cackle的过去式和过去分词 )，饶舌，叽叽呱呱地讲，格格笑着表示；

例句
Newington threw his head back and cackled with laughter.
纽因顿仰头大笑。

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。

laughter

n. 笑，笑声，〈古〉好笑的事，〈美俚〉力量悬殊得可笑的体育比赛，大笑；

例句
Children were changing classrooms amid laughter and shouts.
孩子们在欢笑声和喊叫声中换教室。