Dr. Gong pierced them into my left arm, around the elbow that had been bothering me.

龚医生把针扎进了我一直就感觉很不舒服的左手肘。

youdao

When you are sitting, keep your elbow on the arm rest.

当你坐着的时候，把胳膊肘靠在扶手上。

《柯林斯英汉双解大词典》

When I was born, the doctor explained to my mother that my left arm was missing, below the elbow.

我出生的时候，医生向我母亲解释说我左臂肘部以下是残缺的。

youdao

"On station one,we have robot arms. And what happens is the robots have different joints like a human arm -- one at the shoulder,one at the elbow, wrist and then a claw.

VOA: special.2010.07.28

He was resting his head on one hand and the corresponding elbow on the arm of a floral-patterned lounge chair.

NEWYORKER: While the Women Are Sleeping

Sollers has his arms crossed, the left arm resting on the surface of the table, the right arm resting on the left (and his right hand indolently cupping the elbow of his left arm).

NEWYORKER: Labyrinth

Johan Huibers, a wealthy businessman, used the ancient measurement of the cubit -- the length of a man's arm from elbow to fingertips -- to build the vessel to the dimensions specified in the book of Genesis.

CNN: Dutchman builds replica Noah's Ark after flood dream