左耳右耳的英文缩写:R(right)是右耳，L(Left)是左耳。
单词释义：
left:adj.左边的n.左耳;左边;左方;左;左边的第一(或第二等)条路;左转弯
right:adj.正当;妥当;正确的;正好的;恰当的;右边的n.右耳;右边;右派
Left例句：
1、From the left atrium the blood passes through the bicuspid valve into the right ventricle.
2、I've also left out the owner property.
3、He left that job because the boss always kicked him around.
4、I left home young and I returned old.
5、Of course, we have been affected by the fact Patrick has left us, but now it is a time to regroup.
Right例句：
1、On the right was a clutter of pipes and debris.
2、To the right is the elegantWinter Palace, former home of the czars
3、After the ramp,theroad veered to the right abruptly.
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