1) Hair crack

髮縫
2) Seam
[英][si:m] [美][sim]

縫層
3) Joint
[英][dʒɔɪnt] [美][dʒɔɪnt]

接縫
4) Tension crack

張力裂縫
5) Shearing crack

剪力裂縫
6) cleft water (joint water,fissure water)

裂縫水
参考词条