So molecules might generally still be in the ground vibrational levels, thermal energy isn't enough to raise them in many cases.

分子仍旧，在振动的基态，大多数情况热能不足以激发振动。

youdao

So molecules might generally still be in the ground vibrational levels, thermal energy isn't enough to raise them in many cases.

分子仍旧，在振动的基态，大多数情况热能不足以激发振动。

youdao