They were being pitched into a new adventure...是什么意思？

They were being pitched into a new adventure...

他们正被抛入一场新的冒险。

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

being

n. 存在，生物，人，要素，本质；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

pitched

adj. （屋顶）有坡度的；v. 投( pitch的过去式和过去分词 )，用沥青涂，排列，把…定于特定角度；

例句
At dusk we pitched camp in the middle of nowhere.
黄昏时，我们在茫茫荒野中扎营。

into

prep. （表示方向）进入…中，（表示所属）输入，（表示状态）进入…状态，（表示时间）持续到；

例句
By 1838, the abolitionists had shamed parliament into ending slavery in British colonies...
到1838年，废奴主义者迫使议会出于道德压力而废除了英国殖民地的奴隶制。

new

adj. 新的，崭新的，新鲜的，新到的，现代的，初次（听到）的；adv. 新近，最近；

例句
When I listen to her play I can hear a new Nigel Kennedy.
从她的演奏中我听出了新一代的奈杰尔·肯尼迪。

adventure

n. 冒险活动，冒险经历，奇遇；

例句
I set off for a new adventure in the United States on the first day of the new year.
新年第一天，我在美国开始了一次新的冒险。