v.使尖锐，强调

pointing out───指出，指明

joining up───联合起来；连接；参军

ponying up───蓄水池

pointing off───给…加小数点

splitting up───裂开，分裂

springing up───出现；涌现；萌芽

boiling up───煮滚；烧开

boning up───抓紧温习；突击钻研；刻苦用功读书

booting up───启动

The normal vector pointing up, here we know what it means.───法向量指向上，这里我们知道它是什么意思。

It is this parabola and is pointing up.───这就是那个抛物面，它是开口向上的。

That corresponds to normal vector pointing up.───那相当于法向量指向上。

Let me show you a picture. The rule is if I walk along C with S to my left then the normal vector is pointing up for me.───给你们看张图片，“相容”就是，如果我沿着C走，而且S在左边，法向量就是朝上的。

"Until what light the heaven sets, " said the farmer, pointing up at the sun.───“一直割到照亮天空的东西落下为止，”富农抬手指着太阳说。

"There, " I said pointing up to the third floor.───“那里。”我说，指了指三楼。

Optimists point out that, around the world, economic indicators are pointing up and stock markets are recovering.───乐观者指出，全世界经济指标都在上升，而股市也正在复苏。

And, if I look carefully at the orientation convention, Stokes I have to take the normal vector pointing up again.───如果我仔细考虑了方向的约定，定理告诉我们，Stokes，theorem，tells，me，that，法向量必须再次指向上。

The speeder skidded to a stop, its armored hull pointing up toward the swiftly descending shield.───飞艇滑行了一会儿就停下来了，机身的护盾正对着快速下降的护盾。

The boat was pointing up off the coast.

It was admirably researched, hut it glossed over the important questions while pointing up the trivial ones.

Then think of the knees pointing up to the ceiling.

It also made Julia angry, pointing up the unnecessary rudeness of Comfort's dismissal of David.

It was a badly researched documentary which glossed over important questions while pointing up trivial ones.

Pointing up she told me that the director was sleeping in his office upstairs.

He rested the handle on the hair between her legs, the blade pointing up towards her abdomen.