Once they had left Key Biscayne, Rogers and Laird quickly reversed themselves.是什么意思？

Once they had left Key Biscayne, Rogers and Laird quickly reversed themselves.

罗杰斯和莱尔德一离开比斯坎岛,很快就变了卦.

once

adv. 一次，一趟，一倍，曾经，一旦；conj. 一旦…就…，一经；n. 一次，一回；

例句
The Hell's Angels were once the most notorious and anarchistic of motorbike gangs.
“地狱天使”曾是飞车党中最臭名昭著和无法无天的一伙。

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。

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。

left

adj. 左边的，左侧的，左派的；n. 左，左面，[军]左翼，左派，激进分子；adv. 向左，在左边；v. 离开( leave的过去式和过去分词)；

例句
All that digging had left a network of abandoned mines and tunnels.
东挖西掘后留下了一片废弃的矿坑。

key

n. 钥匙，（打字机等的）键，关键，线索，秘诀，（音乐的）调；vt. 键入，锁上，调节…的音调，提供线索；vi. 使用钥匙；adj. 关键的，主要的；

例句
Several key crops failed when they were attacked by pests.
一些主要农作物由于遭受虫害而歉收。

Biscayne

Bay 比斯坎湾（靠美国佛罗里达州东南部）；

例句
Miami, the geographic situation, Biscayne bay west of Miami, Miami Beach, east.
迈阿密依地理情势, Biscaynebay以西为迈阿密市, 以东为迈阿密海滩市.

Rogers

罗杰斯（姓氏，男子名）；

例句
The Australian chess grandmaster Ian Rogers took on six opponents blindfold and beat five.
澳大利亚国际象棋顶级大师伊恩·罗杰斯和6位对手下盲棋，战胜了5位。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

laird

n. （苏格兰）地主，领主； [人名]莱尔德；

例句
Once they had left Key Biscayne, Rogers and Laird quickly reversed themselves.
罗杰斯和莱尔德一离开比斯坎岛,很快就变了卦.

quickly

adv. 迅速地，立即，马上；

例句
Reaching this agreement so quickly was a great achievement...
如此快速达成这项协定是一大伟绩。

reversed

v. （使）反转( reverse的过去式和过去分词 )，（使）颠倒，（使）翻转，推翻；adj. 颠倒的；

例句
The car reversed into the loading bay.
汽车倒入装卸间。

themselves

pron. 他[她，它]们自己，他们亲自，“himself”的复数，“herself”的复数；

例句
Most officers and men acquitted themselves well throughout the action.
大多数军官及士兵在整个战斗中表现出色。