A substantial reward is being offered for the recovery of a painting by Turner...是什么意思？

A substantial reward is being offered for the recovery of a painting by Turner...

为追回特纳的一幅画，已发布了重金悬赏令。

substantial

adj. 大量的，结实的，牢固的，重大的；

例句
Workers in big firms receive a substantial part of their pay in the form of bonuses and overtime.
大公司的员工有相当一部分薪酬来自奖金和加班费。

reward

n. 报酬，报答，赏金，酬金；vt. 酬谢，奖赏，报答，惩罚；

例句
The goal was just reward for Villa's decision to attack constantly in the second half.
在下半场，维拉队持续进攻的打法为他们赢得了这个进球。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

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

offered

v. 出（价）( offer的过去式和过去分词 )，提出，演出，做出；

例句
His mother offered her apologies to the Jones family...
他的母亲向琼斯一家赔了不是。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

recovery

n. 恢复，复原，重获，痊愈，矫正；

例句
The Chancellor of the Exchequer says that economic recovery is just around the corner.
财政大臣说经济即将复苏。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

painting

n. 绘画，油画，上色，着色，颜料，油漆；v. 绘画（ paint的现在分词），涂色于；

例句
...a task which involves exploring the borderline between painting and photography.
一项探究绘画与摄影之间界线的工作

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

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

Turner

n. 车床工，体育协会会员，车工；

例句
Miss Turner turned blazing eyes on the victim.
特纳小姐无比同情地看着受害者。