labile
adjective uk/ˈleɪ.baɪl/ us/ˈleɪ.baɪl/
medical formal or specialized易变的
changing often or easily
emotionally labile characters 情绪易变的性格
a labile pulse 不稳定的心跳
chemistry specialized不稳定的
easily broken down or changed, for example by heat
labile proteins 不稳定的蛋白