The role is played by seventeen-year-old Briton Jane March.是什么意思？

The role is played by seventeen-year-old Briton Jane March.

这个角色由17岁的英国人简·马奇扮演。

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。

role

n. 作用，地位，角色；

例句
...a chance for fathers to play a more active role in childcare...
让父亲们更积极地参与育婴的机会

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。

played

v. 演奏( play的过去式和过去分词 )，演出，参加比赛，捉弄；

例句
The band played the Czech anthem.
乐队演奏了捷克国歌。

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

Briton

n. 英国人，（大）不列颠人，布立吞人；

例句
The role is played by seventeen-year-old Briton Jane March.
这个角色由17岁的英国人简·马奇扮演。

Jane

n. 简（女子名）；

例句
It was the first time Jane and I had been apart for more than a few days...
那是我第一次和简分开数日。

march

vi. （坚定地向某地）前进，行军，进军，游行示威，进展，进

例句
The contract that was signed on Thursday morning was backdated to March 11...
周四早上签订的合同实际生效日期追溯到3月11日。