Mahoney had never seen such a conveyance before.是什么意思？

Mahoney had never seen such a conveyance before.

马奥尼以前从来没有见过这样的运输工具。

Mahoney

[人名] [爱尔兰姓氏] 马奥尼来源于Mahon↑1，含义是“马洪之后裔”(descendant of Mahon)；

例句
Today Mahoney booked himself into one of the best hotels in Sydney.
今天，马奥尼自己到悉尼最好的一家旅馆办理了入住手续。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

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

never

adv. 从不，从来没有，一点也不，决不，<口>不会…吧，没有，不曾；

例句
The public never had faith in his ability to handle the job...
公众从来不相信他有能力胜任这一职位。

seen

v. 看见( see的过去分词 )，观看，领会，考虑；

例句
Holiday spots have seen a dramatic revival and tourist chiefs are competing for a slice of the action.
各个度假点重又呈现出一派兴旺景象，旅游业的龙头老大们都在争着分一杯羹。

such

det. 这样的，那样的，如此，这样；

例句
...abstract principles such as justice...
正义等抽象原则

conveyance

n. 传送，运送，表达，<正>运输工具；

例句
Mahoney had never seen such a conveyance before.
马奥尼以前从来没有见过这样的运输工具。

before

prep. 在…之前，先于，优于，当着…的面，与其…；conj. 在…之前，在…以前，比…早些，与其…；adv. 先前，从前，在前，在前方；

例句
He pleaded guilty before a court martial to absenting himself without leave.
在军事法庭上他对自己擅离职守表示服罪。