That is size head directly meet up behind the elbow bend.

那就是大小头后面直接接向上弯曲的弯头。

youdao

Sprinters will usually swim with longer arms and less elbow bend than distance swimmers.

短距离选手通常比长距离选手肘部弯曲度小，手臂比较伸展。

youdao

Alloy is more elbow bend of the material, it is called the common is varied, carbon steel, nickel, etc.

合金弯头是多种弯头的一类统称，它的材质多种多样，常见的有碳钢、锰钢、镍钢等。

youdao

Though the patches can occur anywhere, they most often appear on the hands and feet, in the front of the bend of the elbow, behind the knees, and on the ankles, wrists, face, neck and upper chest.

CNN: Atopic dermatitis (eczema)

Debby finally blew ashore Tuesday afternoon near Steinhatchee in the Big Bend area, the crook of Florida's elbow.

MSN: Debby aftermath: Flooded homes, busted roads