Watch the tongue flap up to the roof of the mouth.

观察舌头拍打到上颚。

That means it's a Flap T, where the tongue flaps against the roof of the mouth without stopping the air.

这意味着它是一个 Flap T，舌头在不停止空气的情况下拍打上颚。

Now, watch how the tongue flaps against the roof of the mouth for the Flap T. To the roof of the mouth and down again for the IH as in SIT vowel.

现在，观察 Flap T 时舌头如何拍打上颚。到上颚，然后再次向下拍动 IH，就像在 SIT 元音中一样。