双键

雙鍵
shuāngjiàn
double bond (chemistry)

CEDICT

chemistry

Entry Composition

=1 双 shuāng variant of 双 shuāng
=1 双 shuāng
  1. two
  2. double
  3. pair
  4. both
  5. even (number)
2 键 jiàn
  1. key (on a piano or computer keyboard)
  2. button (on a mouse or other device)
  3. chemical bond
  4. linchpin