1.abnormal adj.反常的, 异常的; 变态的
例句：Is the child abnormal in any way?
这孩子是否在哪方面有点不正常?
This warm weather is abnormal for February.
二月里这种温暖的天气不太正常。
2.demonstrate vt.说明, 演示
例句：Recent events demonstrate the need of change in policy.
最近的事态表明政策需要改变。
This demonstrates that all power belongs to the people.
这说明一切权力属于人民。
3.transmit v.传导
例句：Glass transmits light but not sound.
玻璃传导光, 但不传导声音。
4.infection n.〈医〉传染, 感染
例句：White blood cells fight infection.
白血球抵抗感染。
5.estimate n.估计, 估价
例句：The painter's estimate for painting the whole house was 1000 dollars.
油漆匠对油刷整个房子的估价是1000美元。
This is an outside estimate of the price.
这是最高的估价。
6.decrease vt.vi.(使)缩短; 减小, 减少
例句：The traffic accidents in the city decreased last year.
该城市去年交通事故减少了。
The population began to decrease.
人口开始减少。
1. They make proteins including oxygen-carrying blood substances, antibodies to protect against disease, and substances that break down sugar.
break down毁掉,制服,压倒,停顿,倒塌,中止,垮掉,分解
例句：Protein first breaks down into amino acids .
蛋白质首先分解成氨基酸。
2.But they were short by comparison with today.
by comparison with与…相比
例句：Radio broadcasting considered as very old-fashioned by comparison with television
老掉牙的电台广播（与电视相比而言）
3.Experts credit the good news in the report at least in part to prevention programs, not just the natural progress of the epidemic.
credit to把...记入,将...归于
例句：Miraculous powers are credited to the relics.
人们认为这些早期遗物具有神奇的力量。
4.Experts credit the good news in the report, at least in part, to prevention programs. Yet treatments and population growth mean that more people than ever are living with H.I.V.
more people than ever有史以来最多的人，也是比较级表示最高级的一种情况。
比较级表示最高级的几种情况：
1)、直接使用比较级
①How beautiful she sings! I've never heard a better voice.
= She has the best voice I've ever heard.
她唱得多好啊！这是我听到的最美的歌喉。
②I have never read a more interesting novel.
= It is the most interesting novel I've ever read.
这是我读过的最有趣的小说。
2)、比较级 + than + the other + 复数名词/ + any other + 单数名词/ + any of the other + 复数名词
①She goes to school earlier than the other girls.
她比其他女孩早上学。
②He works harder than any other student.
她学习最用功。
③China is larger than any of the other countries in Asia.
中国是亚洲最大的国家
3)、比较级 + than + anything/ anyone else
①George did more work than anyone else.
乔治干活最多。
②Tom cared more for money than for anything else
汤姆最喜欢钱。
4)、在比较句型中使用 "no", "nobody", "nothing" 等词。
①I like nothing better than swimming.
我最喜欢游泳。
②Nobody can do the work better than he did.
这项工作他做得最出色。
③No other building is as grand as the new hotel.
新建的宾馆是当地最豪华的。
本文转自：中小学教育资源站（http://www.edudown.net ）