延长: to prolong, to extend, to delay...
温度计: thermometer, thermograph...
农产品: agricultural produce...
集: episode...
半真半假: (idiom) half true and half false...
症状: symptom (of an illness)...
体验: to experience for oneself...
无耻: without any sense of shame, unembarrassed, shameless...
窗台: window sill, window ledge...
愁: to worry about...