The usual low murmur of " Severus Snape" greeted him, the chill wind swept him, and his tongue rolled up for a moment.

他听到了那经常听到的低声细语语“西弗勒斯斯内普”，寒风横扫过他的脸，哈利舌头卷了起来一下。

The resulting ball of mush actually has its own special name — it's a bolus and the tongue rolls it back to the pharynx, in preparation for swallowing.

这团糊状物有个特别的名字叫做食团，舌头将它卷回到咽部，准备吞咽。