单词
emission
读音
ɪˈmɪʃn
美式
英式
词根
"emission" 来自于词根 "-miss-"，这个词根来源于拉丁词 "mittere"，意为 "send" (发送). "E-" 是前缀，代表 "出，外" 的意思。所以整个单词的意思就是 "发送出去"，这也解释了为什么 "emission" 有 "发出，排放" 的含义。 由同样词根衍生出来的其他单词包括：missile (导弹), remit (汇款，宽恕), dismiss (解雇，驳回), commit (承诺，犯罪)。
释义
n. （光、热等的）发射，散发；喷射；发行 n. (Emission)人名；(英)埃米申 [ 复数 emissions ]
例句
The emission of gases such as carbon dioxide should be stabilized at their present level.
二氧化碳之类气体的排放应该被控制在目前的水平上。
It is clear that the U.S. will meet its emission goals.
很明显，美国将会达到其排放目标。
Emission of these "greenhouse" gases contributes to global warming.
这些“温室”气体的排放会导致全球变暖。
The emission of gases such as carbon dioxide should be stabilized at their present level.
二氧化碳之类气体的排放应该被控制在目前的水平上。
It is clear that the U.S. will meet its emission goals.
很明显，美国将会达到其排放目标。
Emission of these "greenhouse" gases contributes to global warming.
这些“温室”气体的排放会导致全球变暖。
强化记忆
可以联想到 "emit" (发出)，所以 "emission" 就是 "发出的东西"。"emission" 这个词最早来自于14世纪的法语 "emission"，再追溯到拉丁语 "emissio"，都表示 "一个动作，一个释放" 的意思。现在这个单词在环境和能源领域特别常用。
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need to get down to zero emissions within 6 to 12 years,with today's emission speed.And that is so that people in poorer countries
Now the doctors can see their target using a PET,or positron emission tomography, scanner.The radiation that the tracer emits is what makes this possible.
Now the Apple guys are texting,"Develop odor emission plug-in."(Laughter)
who had undertaken very reduced,short-term emission reduction commitmentsthat were completely insufficient
And finally, there's deforestation,and there's emission of methanefrom agriculture.
所属分类
大学,出国,高中,专升本-自考,专四专八,程序员,其他
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