She put on her spectacles, threaded a needle, and stitch by stitch sewed up the rent in the sleeve.
她戴上眼镜,穿好针,然后一针一针地把衣袖上的裂缝补好。
3
The invention comprises a handle and a drill bit, wherein the drilling bit has a trocar structure consisting of two parts, namely a sleeve and a tube core needle.