The principle of tacking stitching of lockstitch sewing machine was analyzed, pointing out that whether the tacking stitching is in good order or not lies in how to control the tacking relay.
2
对倒楼原因怪得出奇的猜测四处流传,仿佛一个大力士用指尖轻轻推倒了这座楼房,很多窗户依然完好无损。
Speculation is rampant over the cause of the extraordinary event, as if a giant nudged the building over with a fingertip, with some windows still intact.
3
他们没有酒了,这个其实对我倒无所谓,因为我当时没在喝酒。
They ran out of drink. Which actually didn't bother me because I wasn't drinking.