backbone
名词复数：backbones
词形变化：
词义辨析：
同义:
n.脊柱, 脊骨
spine
vertebrae
spinal column
n.正直, 刚毅, 品质
character
integrity
manhood
manliness
quality
n.决心, 耐力
resolve
resolution
resoluteness
endurance
stamina
fortitude
pluck
n.勇气, 气概, 无畏
courage
mettle
guts
valour
daring
intrepidity
strength
spunk
grit
同义参见:
skeleton
determination
back
confidence