重心

zhòngxīn
  1. center of gravity
  2. central core
  3. main part

CEDICT

Entry Composition

1 重 zhòng
  1. heavy
  2. serious
  3. to attach importance to
2 心 xīn
  1. heart
  2. mind
  3. intention
  4. center
  5. core

classifiers: 顆, 個