I did the seam, then a stitch and overcast along the edge and another overcast only stitchover it again.
我做了缝，然后沿边缘缝阴和阴，另一只在它再次缝合。
2
The doctor explains how he can stitch up blood vessels in a healthy limb, causing it to blacken with gangrene over a few days.
这名医生解释说，他可以将血管缝合到健康的肢体里，使肢体在数天之内因为坏疽而变黑。
3
The idea is to stitch or glue a patch of new tissue derived from embryonic stem cells over the damaged area of the heart to make the muscle viable again.