就在此时，他第三次打哈欠，发出一声可怕的嚎叫。

At the same moment he yawned the third time and set up a terrible howl.

youdao

就在此时，他第三次打哈欠，发出一声可怕的嚎叫。

At the same moment he yawned the third time and set up a terrible howl.

youdao