1.position n.位置；职位
Can you find our position on this map?
你能在这幅地图上找到我们的位置吗?
2.coincidence n.巧合；一致
What a coincidence!
真是太巧了！
3.epidemic n.流行病；传染病
A flu epidemic raged through the school for weeks.
流感在这所学校里蔓延了几个星期。
4.infect v.传染；感染
The open wound soon became infected.
裸露的伤口很快就受到了感染。
5.figure n.图形；数字
The figure is expressed as a percentage.
那数字是以百分比表示的。
