My confidence is still there and I'll just keep plugging away.我仍有信心，会继续坚持不懈。Study and Application of High Permeability, Macropore Path and Crack Properties Zone Plugging Agent - JTD.高渗透 、 大孔道、裂缝性地层堵水剂的研制与应用.We did n...
My confidence is still there and I'll just keep plugging away.我仍有信心，会继续坚持不懈。She keeps plugging away at French.她一直在拼命地学法语.We did not want people on the show who are purely interested in plugging a book or film.我们不想让那...