1·All of them described the black dot.
他们都描述了黑点。
2·After reading all the answers, the teacher said, "Here everyone only paid attention to the black dot, but no one wrote about the white paper."
看完所有的答案后，老师说：“这里每个人都只注意那个黑点，但是没有人写到白纸。”
3·The end node is visualized with a circle containing a cross, while the stop node is visualized with a circle containing a black dot.
结束节点用一个含有十字交叉图案的圆圈表示，停止节点则显示为一个含有黑点的圆圈。
4·Fecteau remembers being told to sit on the floor and stare at a black dot on the wall and think about his crimes.
费克图记得自己被吩咐坐在地板上，凝视着墙上的黑点，并思考他的罪行。
5·Consider adding a border, or using a red arrow instead of a simple black dot, Feldberg says.
考虑一下加上边框，或者使用红色箭头而不是简单的黑点，Feldberg说。