极板的英文：
polar plate
counter electrode
slab
wafer

The plate current decreases when plate potential increases.
当极板电势增加时极板电流反而降低。

A tetrode with grid and plate potentials so arranged that plate current decreases when plate potential increases.
负耗阻性管由栅极和极板电势组成的四极管，其中当极板电流降低时极板电势反而增加

Fine drops of oil were sprayed into the space between the plates by an atomizer
利用喷雾器把细小的油滴喷入极板间的空间内。

The alkanes are non-polar.
烷是非极性的。

Love and hatred are polar feelings.
爱与恨是完全相反的感情。

There is a ideological polarity between nations.
国家间意识形态存在截然对立。

counter planning
制订对应计划

Here is the fish counter.
这儿有卖鱼的。

Our theory countered his.
我们的观点和他的相反。