她转过身，瞥见有个东西从草地上穿了过去。用英语怎么说？

她转过身，瞥见有个东西从草地上穿了过去。

As she turned back, a movement across the lawn caught her eye.

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

she

pron. 她，它；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

turned

v. （使）转动( turn的过去式和过去分词 )，旋转，（使）改变方向，（使）不适；

例句
With one accord they turned and walked back over the grass.
他们步调一致地转身走过草坪。

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。

movement

n. 运动，活动，动作，举动，乐章；

例句
...the Adagio movement of his Sixth Symphony.
他的《第六交响乐》的慢板乐章

across

prep. 穿过，横穿，横过，与…交叉，在…对面；adv. 横过，越过，在对面，交叉，斜对面；

例句
Households accumulate wealth across a broad spectrum of assets...
家庭在以各种各样的资产形式积累财富。

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。

lawn

n. 草地，草坪，上等细麻布；

例句
...a lawn flanked by wide herbaceous borders.
两侧栽种大片草本花的草坪

caught

v. 赶上( catch的过去式和过去分词 )，接住，引起，看见；

例句
The men were caught in the act of digging up buried explosives.
那些人在挖掘掩埋的爆炸物时被逮个正着。

her

pron. (she的宾格)她，(she的所有格)她的，她，指某个国家，（一艘）船；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

eye

n. 眼睛，视力，眼状物，风纪扣扣

例句
Gloria slid an appraising eye over the rest of the rack before reaching for the dress.
格洛丽亚以审视的眼光向货架上其余的衣服扫了一遍，才伸手去拿那件连衣裙。