D.A.F.'s Chumash section - bamidbar Chapter 11, Pasuk 3

1)

Here they named the place 'Tav'eirah', whereas later, in Pasuk 34, they called it 'Kivros ha'Ta'avah'. Does this mean that they gave the place two names?

1.

Ramban: Yes, it does! Following the previous episode (of the fire), still in the same place, developed a desire for meat, which resulted in the plague, on account of which they re-named the place 'Kivros ha'Ta'avah'.

2.

Seforno (on 10:33): The current episode occurred whilst they were traveling; ¹ the later one, after their next stop. ²

¹

Since Tav'eirah is not mentioned among the place where they encamped.

²

Refer to 10:33:2:3*.