Heat, because you can catch cold.

热快，因为你可以追上冷。

youdao

Which is fast, cold or hot? — hot, because you can catch a cold.

热和冷哪个快？——热，因为你能感冒。

youdao

Which is fast, cold or hot? — hot, because you can catch a cold.

热和冷哪个快？——热，因为你能感冒。

youdao