将图片背景延伸Last updated on Aug 21, 2022导入图片,点击裁剪工具。用鼠标直接将画布拉长,按下回车键。在左侧选择矩形选框工具。直接框选背景。Ctrl+J复制图层,ctrl+T移动图层OtherChiDoctor of BioengineeringMy research interests include bioinformatics, deep learning and big data mining.