4.21

(1)appropriation

n.拨款，专款

eg.He was accused of the appropriation

of company property.

(2)array

n.大堆，大量，排列

vt.排列，部署

eg.The soldiers were arrayed on the opposite hill.

(3)armour

n.盔甲，装甲

eg.Monkey do not have any kind of protective armour and use their brains to solve problems.

(4)arrogance

n.傲慢，自大

arrogant a.傲慢的，自大的

eg.His arrogance comes out in every speech he makes .

(5)articulate

v.明确有力地表达

a.善于表达的，口齿清楚的

eg.He finds it very difficult to articulate his distress.

(6)ascend

v.攀登，上升

eg.All the people in the stadium cheered up when they saw hundreds of colourful balloons ascending slowly into the sky.

(7)ascribe

vt.把……归功于

eg.They ascribed his failure to bad luck.

(8)assault

n/v.攻击，袭击

eg.They made an assault on the enemy's position.

(9)assertive

a.果断的，坚强的

eg.You are too assertive talking this way.

(10)assimilate

v.使同化，被消化，被吸收

eg.The immigrants assimilated rapidly.