1·They appeared on the dot of 9:50 p.m. as always.
他们同往常一样在晚上9点50分准时出现了。
—— 《柯林斯英汉双解大词典》
2·It's a little spot, and a little dot on the map.
它是个小地方，在地图上也只是一个小点。
3·It's the female black widow spider that is venomous and displays a menacing red dot on her abdomen.
在雌性毒蜘蛛“黑寡妇”的腹部可以看到有威慑作用的红点。
4·For breakfast on Singles' Day, singles often eat four deep-fried dough sticks and one steamed stuffed bun representing the middle dot.
光棍节的早餐，单身汉们通常会吃四根油条，再吃一个包子，代表中间的那个点。
5·Breakfast is served at 8 on the dot.
8点整开早饭。
—— 《牛津词典》