There was a bonepin that may have been from a piece of clothing such as a leather coat.
有一支骨头做的别针，可能是他穿的衣服(例如一件皮大衣上的)。
2
He returned to work earlier this month after successful surgery to plug a pin-size hole in the bone covering the semicircular superior canal in one of his ears.
本月早前，在将覆盖着上半规管的引脚大小的骨头缺口填补的手术成功之后，他重新回到了工作岗位。
3
A pin for the anchoring of articular prostheses includes a connecting portion (4) with a prosthesis (2) and an engagement portion (5) in a hole obtained within a bone.