原级：collarbone
1. While accentuating her cleavage, it managed to hide the protruding collarbones which have worried her fans.
2. The neckline is a slight V, just enough to see the collarbones.
3. Jackie Chan is a master of tickling audiences'funny bones while breaking bad guys'collarbones.
4. " It looks like most of them are fractures and broken collarbones, " Butler County sheriff's department said.