As you can see, my jaw drops some, but my lips do not move, they stay relaxed.

你可以看到，我的下巴略微向下移动，但嘴唇是不动的，嘴唇保持放松的状态。

youdao

As you can see, my jaw drops some, but my lips do not move, they stay relaxed.

你可以看到，我的下巴略微向下移动，但嘴唇是不动的，嘴唇保持放松的状态。

youdao