V-T If something emits heat, light, gas, or a smell, it produces it and sends it out by means of a physical or chemical process. 发出; 散发 (热、光、气体或气味) [正式]
The new device emits a powerful circular column of light.
这个新装置发出一束强烈的环形光柱。
V-T To emit a sound or noise means to produce it. 发出 (声音或噪音) [正式]
Whitney blinked and emitted a long, low whistle.
惠特尼眨了眨眼,吹出了一声长而低沉的口哨。
These light-emitting diodes could simulate red light.
这些发光二极管可以模拟红光。
To test their hypothesis, researchers took some electrical lights, actually, they were light-emitting diodes.
为了验证他们的假设,研究人员使用了一些电灯,实际是使用了发光二极管。
Carbon-zero schools are ones that promise to stop emitting carbon in seven areas, including where they get their food and how they use water and recycle their waste.
“零碳学校”是指那些承诺在七个方面停止碳排放的学校,包括获取食物的地方,以及使用水和回收废物的方式。
Light-emitting diodes are small glass lamps that use much less electricity than traditional bulbs and last much longer.
VOA: special.2009.12.21
In particular, the daily burnt offerings sacrificed by the priests twice each day, and emitting this pleasing odor: these were an effort to attract the deity.
尤其是每天两次的烧祭品,散发出美妙的气味:,这些都是为了吸引神灵的注意。
So we have four choices in terms of initial and final energy levels, and also what it means - in terms of the electron -- whether it's gaining energy or whether it's going to be emitting energy?
我们有这四个选项,各有不同的初始能量和末能量,它都是按照电子来说的,不管是失去能量还是得到能量?
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