时不时: from time to time...
书橱: bookcase...
伸缩: to lengthen and shorten, flexible, adjustable, retractable, extensible, telescoping (collapsible)...
鲜活: vivid, lively, (of food ingredients) live or fresh...
心灵: bright, smart, quick-witted, heart, thoughts, spirit...
湿润: moist...
不停: incessant...
响应: to respond to, answer...
烟囱: chimney...
小于: less than, <...
