emission
美音:[ı´mıʃən
]
英音:[ı´mıʃən
]
n.(光、热等的)散发,发射,喷射
难易程度:
emission为短语/超纲词汇
词频:3430
词根
miss,mit＝to send（送）,to throw（投;掷）
近义词, 同义词
emission
/ɪ'mɪʃn; ɪ`mɪʃən/
n
1 [U] (fml 文) sending out or giving off (of light, heat, fumes, matter, fluid from the body, etc) （光、热、烟、气、分泌物、体液等的）散发, 发射, 发出
*the emission of light from the sun 阳光的照射.
2 [C] thing that is sent out or given off; discharge 散发之物、发出之物; 流出物; 排泄物
*a nocturnal emission, ie the discharge of semen during sleep 夜间遗精.
n
1 [U] (fml 文) sending out or giving off (of light, heat, fumes, matter, fluid from the body, etc) （光、热、烟、气、分泌物、体液等的）散发, 发射, 发出
*the emission of light from the sun 阳光的照射.
2 [C] thing that is sent out or given off; discharge 散发之物、发出之物; 流出物; 排泄物
*a nocturnal emission, ie the discharge of semen during sleep 夜间遗精.
emission
n
[C usually plural]
a gas or other substance that is sent into the air
Britain has agreed to cut emissions of nitrogen oxide from power stations.
[U]
the act of sending out light, heat, gas etc
[C usually plural]
a gas or other substance that is sent into the air
Britain has agreed to cut emissions of nitrogen oxide from power stations.
[U]
the act of sending out light, heat, gas etc
1. It is the natural frequency of emission of the hydrogen atoms in space .
这是空间氢原子“释放”的自然频率.
2. It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。
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这是空间氢原子“释放”的自然频率.
2. It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。
更多句子>>>
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