第二册 第16课
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- 释义：
- n. 百日咳
- 例句：
-
The infant receives three injections of pertussis vaccine at one - month intervals.
婴儿以一个月为间隔,接受三次百日咳疫苗的注射. 换一句 -
After the 1960 s, China began to inoculate BCG, pertussis, diphtheria, tetanus, measles and poliomyelitis vaccines.
六十年代后, 中国开始在大、中城市接种卡介苗 、 百日咳 、 白喉 、 破伤风 、 麻疹、脊髓灰质炎的疫苗的工作. 换一句 -
Recent studies suggested that erythromycin may be effective in prophylaxis against pertussis in exposed, susceptible persons.
最近的研究提示,红霉素对暴露于百日咳的易感者,在预防上有效. 换一句
您还可以临摹下单词：
pertussis
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- 释义：
- n. 免疫作用
- 例句：
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Health workers spread the word about the benefits of immunization.
医疗工作者宣传关于接种疫苗的好处。 换一句 -
Appropriate immunization against tetanus must be given to all patients with full thickness burn injury.
对所有全厚度烧伤的病人都必须给予破伤风免疫注射. 换一句 -
Objective : To explore novel strategy for soman antidote by chemical immunization.
文摘:目的: 探索用化学免疫方法防治梭曼中毒. 换一句
您还可以临摹下单词：
immunization
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- 释义：
- vt. 趋向; 走向
- 构词：
- tend伸展,趋向→趋向做→易于,往往会
- 例句：
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Some guitar players tend to overuse the wah - wah pedal.
一些吉他手往往会滥用“哇哇”踏板. 换一句 -
We tend to make mistakes when we do things in a hurry.
忙中不免出错. 换一句 -
People tend to amass possessions, sometimes without being aware of doing so.
人们倾向于积攒东西, 有的并未意识到这样做. 换一句
您还可以临摹下单词：
tend
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- 释义：
- 倾向; 有…的趋势; 趋于; be likely to倾向于
- 例句：
-
Some guitar players tend to overuse the wah - wah pedal.
一些吉他手往往会滥用“哇哇”踏板. 换一句 -
We tend to make mistakes when we do things in a hurry.
忙中不免出错. 换一句 -
People tend to amass possessions, sometimes without being aware of doing so.
人们倾向于积攒东西, 有的并未意识到这样做. 换一句
您还可以临摹下单词：
tend to
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- 释义：
- vi. 扩散; 渗出
- 构词：
- dif不,否定,分开+fuse流→分开流→散布的
- 例句：
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Direct light is better for reading than diffuse light.
直射光比漫射光更有利于阅读. 换一句 -
His talk was so diffuse that I missed his point.
他的谈话漫无边际,我抓不住他的要点. 换一句 -
Religion is a diffuse topic liable to unending disputation whereas theism is not.
宗教是一个容易引起无休止争论的弥散型话题,而有神论则不是. 换一句
您还可以临摹下单词：
diffuse
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- 释义：
- n. 胎盘
- 例句：
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The fat - soluble vitamins ( A, D and E ) seem to be impeded by the placenta.
似乎胎盘阻碍脂溶性维生素 ( A, D和E ) 的通过. 换一句 -
The virus traverses the placenta and, may seriously interfere with organogenesis.
病毒可透过胎盘, 可能严重妨碍胎儿器官的发生. 换一句 -
Starch grains present in the embryo sac and placenta are utilized by the embryo.
存在于胚囊和胎座中的淀粉粒为胚胎所利用. 换一句
您还可以临摹下单词：
placenta
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- 释义：
- n. 胎; 胎儿
- 例句：
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No one knows why a fetus is not automatically rejected by the mother's immune system.
没有人知道为什么母亲的免疫系统不会自动排斥胎儿。 换一句 -
Unfortunately, his wife had just given birth to a nonviable fetus.
不幸地是，他妻子刚生下了一个不能成活的胎儿。 换一句 -
A routine scan revealed abnormalities in the fetus.
一次常规扫描发现胎儿畸形。 换一句
您还可以临摹下单词：
fetus
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- 释义：
- n. 注射; 注射剂
- 例句：
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A new method of fuel injection was developed during the war.
一种新的注油方法在战争期间发展起来. 换一句 -
Those drugs are given by injection as well as through the mouth.
那些药品可以注射,也可以口服. 换一句 -
Giving every patient an annual anti - flu injection would be prohibitively expensive.
每年给每个病人注射 抗 流感针剂的花费是无法承受的. 换一句
您还可以临摹下单词：
injection
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