gāi / huà hé wù / de / rè / bù wěn xìng / dǎo zhì / tā / zài / gāo wēn / xià / xùn sù / fēn jiě该化合物的热不稳性导致它在高温下迅速分解。The thermal instability of this compound causes it to decompose rapidly at high temperatures.