1.
a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen.
阴极射出一束电子通过高压正极的真空管。
2.
positive terminal of an electric battery;anode
（电池的）正极,阳极.
3.
having an indicated pole (as the distinction between positive and negative electric charges).
有指示极（电极正极和负极的不同）。
4.
An electric terminal with positive polarity.
带正极性的一个电极
5.
the positive/negative terminals,eg of a battery
正[负]极（如电池的）.
6.
A positively charged electrode, as of an electrolytic cell, a storage battery, or an electron tube.
阳极，正极电解电池、蓄电池或电子管的正电电极
7.
(informal) extremely violent.
（不正式）极其暴力的。
8.
true north is geographic north.
正北方是地理的北极。
9.
Your proposal is being actively considered.
你的建议正获积极考虑.
10.
He's a thoroughly decent (ie honourable) man.
他是个极为正直的人.
11.
Her analysis was correct to the nail.
她的分析极其正确。
12.
The teacher places a great deal of importance on correct grammar.
老师极重视正确的文法。
13.
the calculus of maxima and minima of definite integrals.
正定积分的极大与极小的微积分学。
14.
polaris happens to lie almost directly over the North Pole
北极星恰巧差不多位于北极的正上方。
15.
true north (north according to the earth's axis,not magnetic north)
真北（以地轴北极为正北的,非磁极之北）.
16.
Anode: Electrode connected to the positive side of supply current.
阳极:连接导入电流的正电极。
17.
An element is assembled from one positive group "nested" in a negative group, with negative plates always on the outside, and positive and negative plants in alternating position.
一个极群组是把正极群“套”进负极群内组装而成的，负极板总是在外侧，而且正、负极交错放置。
18.
an embarrassment of choices at a buffet dinner;an embarrassment of riches.
在一个小餐馆的正餐中极多的花样；极大的财富