当打开时，这盏灯发出柔和的光。

The lamp ___emits a soft light when turned on.

发电厂向大气中排放大量的二氧化碳。

Power plants ___emit large amounts of carbon dioxide into the atmosphere.

太阳以光和热的形式释放出巨大的能量。

The sun ___emits vast amounts of energy in the form of light and heat.