bù / tóng / cái / liào / de / bǐ / rè / bù / tóng / yīn / cǐ / shēng / wēn / sù / dù / yě / bù / yí / yàng

不同材料的比热不同，因此升温速度也不一样。

Different materials have different specific heats, so they also heat up at different rates.