顺便问一句，你能否说出白线所代表的粒子朝哪个方向运动吗?

顺便问一句，你能否说出白线所代表的粒子朝哪个方向运动吗?的英文翻译

基本释义

• Incidentally, can you tell which direction the particles, represented by the white lines, are traveling?