effluence

一股持续不断的水蒸气从地热喷口涌出，温暖了寒冷的晨间空气。

A steady ___effluence of steam rose from the geothermal vents, warming the cold morning air.

花园里弥漫着晚风中飘来的茉莉花的芬芳。

The garden was filled with the sweet ___effluence of jasmine blossoms drifting on the evening breeze.

这位教授的讲座是他数十年研究的结晶，充满了洞见和细微之处。

The professor's lecture was an ___effluence of decades of research, packed with insight and nuance.