倍塔

bèitǎ
beta (loanword)

CEDICT

loanword

Entry Composition

1 倍 bèi
  1. (two, three etc) -fold
  2. times (multiplier)
  3. double
  4. to increase or multiply
=2 塔 tǎ (loanword) (pastry) tart

classifier: 座
=2 塔 tǎ old variant of 塔 tǎ