seam
英 [siːm]
美[sim]
	    - n. 缝;接缝
 - vt. 缝合;接合;使留下伤痕
 - vi. 裂开;产生裂缝
 
英英释意
- 1. joint consisting of a line formed by joining two pieces
 
- 2. a slight depression in the smoothness of a surface;
 - "his face has many lines"
 - "ironing gets rid of most wrinkles"
 
- 3. a stratum of ore or coal thick enough to be mined with profit;
 - "he worked in the coal beds"