Sheldon: Hi, Mom. How are you? But, Mom… she keeps sitting in my spot. And-and she touched my food.
嗨，妈妈，你好吗? 但是妈妈…她总坐人家位子嘛；还有-还有她碰了我的食物。
2
Effective welding of heterogeneity metals was of great pragmatic importance in modern hi-tech area. W plate and Ni thread were joined by using resistance spot-welding.