Press CTRL-J to join all selected objects to one single object. (The objects must be of the same type.) The center point of the resulting object is obtained from the previously active object.是什么意思_Press CTRL-J to join all selected objects to one single object. (The objects must be of the same type.) The center point of the resulting object is obtained from the previously active object.在线翻译_英语_读音_用法_例句