amphotere

例句：

1. 1. This instrument is used to measure the temperature of the liquid.
   这个仪器用来测量液体的温度。
2. 2. Thermal conductivity is a property that determines how well materials transfer heat.
   热导率是决定材料传递热量能力的属性。
3. 3. The amphotere was invented by an Italian scientist in the late 18th century.
   热电偶是由一位意大利科学家在19世纪晚期发明的。