He felt great affection for his sister.

Africa has always had a special place in my affections.

【拓展】

Have/produce an effect on 对......有影响

come into effect 生效；实施

be of no effect 无效的；无用的

decrease

【原句回放】If their habitat is threatened or they cannot find enough food，their numbers may decrease．如果它们的栖息地受到威胁或它们不能找到足够的食物，它们的数量就会减少。

【点拨】decrease v. & n.

(1)vi. & vt. 降低，减少，使(变小)

[搭配]

decrease

　　in 在......方面减少

　　from 在......基础上减少

　　to 减少到......

　　by 减少了......

The new unemployment figures have decreased from last month．

新的失业人数比上个月有所减少。

The newspaper has decreased in size，but not in quality．

这份报纸虽然版面减少了，但质量并未降低。

The member8 decreased to three hundred．会员减少至300人。

The members decreased by three hundred．会员减少了300人。

(2)n. 减少，减少的数量

There has been a steady decrease in population in this city．

这个城市的人口在不断地减少。

【拓展】

on the decrease 在减少

[特别提示]

decrease v. 减少

[近]reduce v. 减少

[反]increase v. 增加

loss

【原句回放】loss of bamboo growing areas 竹子生长地的丧失

【点拨】loss n.

(1)[U]损失；遗失；丧失

Did you report the loss of your jewellery to the police?

你有没有把你丢失珠宝的事告诉警方?

(2)损失，损坏

The company suffered a heavy loss as a result of that mistake．

因为那次错误，公司损失惨重。

He'll try his best to make up the loss．他将努力弥补损失。

(3)[C]输，未能赢