積極向上：positive的詞彙精講
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
你需要盡你所能，最大限度地去努力。只要你能這麼做，只要你能保持樂觀，你就能看見一線希望。
——《烏雲背後的幸福線》
一、你知道positive有幾種含義嗎？
adj.
1.確定的；確實的
There is positive proof that he did it.
有確鑿的證據證明他做了這件事。
2.確信的；有自信的
Are you positive that you saw him?
你肯定你看到他嗎?
3.絕對的
Her behaviour was a positive outrage.
她的行爲殘暴絕對到了極點。
4.積極的，建設性的
Our purpose was to show that there was a positive alternative to confrontation
我們的目的是要表明，除對抗之外，還有另一條積極的方針。
5.真實的；實際的；實在的
Light is a positive thing; darkness is only the absence of light.
光是確實存在的東西;黑暗只是沒有光。
6.【口】完全的，純粹的
A direct attack,a positive leer,blatant ugliness to her face-these never touched her.
她從來沒有受到別人明目張膽的完全不懷好意的直接攻擊.
7.【語】原級的
The modification or inflection of an adjective or adverb to denote the positive, comparative, and superlative degrees.
詞尾變化形容詞或副詞的修改或詞尾變化，以表示原級、比較級和最高級
8.【數】正的
This charge is a positive charge.
這個電荷是正電荷。
9.【物】正的，陽性的
This charge is a positive charge.
這個電荷是正電荷。
10.【攝】正片的，正像的
Positive frequencies are produced by anticlockwise rotation and negative frequencies by clockwise rotation.
正頻率是用逆時針旋轉來產生，而負頻率是用順時針旋轉來產生。
11.【醫】陽性的
The suspect's breath is sample and the test prove positive.
對嫌疑人的呼吸進行了抽樣檢查，結果表明是陽性的。
n.
1.實在的事物
Moon is a positive.
月球是個實在的事物。
2.【語】原級 [C]
The positive of "went" is go.
“went”的原級是"go".
3.【數】正數，正號，正量 [C]
The opposite side of positive is negative.
正數的反面是負數。
4.【攝】正片，正像 [C]
An image, especially a positive print, recorded by a camera and reproduced on a photosensitive surface.
照片，相片由照相機攝下並在一感光表面複製出來的影像，尤指正片印出的影像
5.（電池的）陽極 [C]
It is the positive of the battery.
這是電池的陽極
二、你知道positive和哪些詞更搭嗎？
positive charge
n.[電]正電荷,陽電荷
positive chemotaxis
正趨化性
positive correlation
正相關
positive feedback
正反饋
positive pole
n.[物]正極,陽極
positive reinforcing stimulus
陽性強化刺激
三、最後，做個填詞遊戲吧
The report ended on a ________ note.
報告的結尾顯得很樂觀。
