积极向上：positive的词汇精讲

You have to do everything you can, you have to work your hardest, and if you do, if you stay positive, you have a shot at a silver lining.

——Every cloud has a silver lining

你需要尽你所能，最大限度地去努力。只要你能这么做，只要你能保持乐观，你就能看见一线希望。

——《乌云背后的幸福线》 

一、你知道positive有几种含义吗？

adj.

1.确定的；确实的

There is positive proof that he did it.

有确凿的证据证明他做了这件事。

2.确信的；有自信的

Are you positive that you saw him?

你肯定你看到他吗?

3.绝对的

Her behaviour was a positive outrage.

她的行为残暴绝对到了极点。

4.积极的，建设性的

Our purpose was to show that there was a positive alternative to confrontation

我们的目的是要表明，除对抗之外，还有另一条积极的方针。

5.真实的；实际的；实在的

Light is a positive thing; darkness is only the absence of light.

光是确实存在的东西;黑暗只是没有光。

6.【口】完全的，纯粹的

A direct attack,a positive leer,blatant ugliness to her face-these never touched her.

她从来没有受到别人明目张胆的完全不怀好意的直接攻击.

7.【语】原级的

The modification or inflection of an adjective or adverb to denote the positive, comparative, and superlative degrees.

词尾变化形容词或副词的修改或词尾变化，以表示原级、比较级和最高级

8.【数】正的

This charge is a positive charge.

这个电荷是正电荷。

9.【物】正的，阳性的

This charge is a positive charge.

这个电荷是正电荷。

10.【摄】正片的，正像的

Positive frequencies are produced by anticlockwise rotation and negative frequencies by clockwise rotation.

正频率是用逆时针旋转来产生，而负频率是用顺时针旋转来产生。

11.【医】阳性的

The suspect's breath is sample and the test prove positive.

对嫌疑人的呼吸进行了抽样检查，结果表明是阳性的。

n.

1.实在的事物 

Moon is a positive.

月球是个实在的事物。

2.【语】原级 [C]

The positive of "went" is go.

“went”的原级是"go".

3.【数】正数，正号，正量 [C]

The opposite side of positive is negative.

正数的反面是负数。

4.【摄】正片，正像 [C]

An image, especially a positive print, recorded by a camera and reproduced on a photosensitive surface.

照片，相片由照相机摄下并在一感光表面复制出来的影像，尤指正片印出的影像

5.（电池的）阳极 [C]

It is the positive of the battery.

这是电池的阳极

二、你知道positive和哪些词更搭吗？

positive charge

n.[电]正电荷,阳电荷

positive chemotaxis

正趋化性

positive correlation

正相关

positive feedback

正反馈

positive pole

n.[物]正极,阳极

positive reinforcing stimulus

阳性强化刺激

三、最后，做个填词游戏吧

The report ended on a ________ note.
报告的结尾显得很乐观。