英语分享

Sector 扇形
in term of XXX 以XXX为单位
shaded region 阴影区域
intersecting 相交
The road was wide though rough. 条路很宽，但很崎岖。
They made a graph on the force of gravity. 他们做了一个关于重力的图表。
The tesr was tough enough. 测试足够难。
We made a rough model of the plane. 我们制作了一个粗略的飞机模型。
They will laugh if the feather touches them. 如果羽毛碰到他们，他们会笑。
The win was a triumph enough. 胜利足够令人振奋。