Physicist Erwin Schrödinger, looking completely serious, strokes a three-colored cat that has the Greek letter Psi as a pendant under its neck before he puts it in a box with an open lid 表情符號


Physicist Erwin Schrödinger, looking completely serious, strokes a three-colored cat that has the Greek letter Psi as a pendant under its neck before he puts it in a box with an open lid emoji