脊

世界屋脊

shì jiè wū jǐ

the roof of the world (usually refers to Tibet or Qinghai-Tibetan Plateau 青藏高原[Qing1 Zang4 gao1 yuan2])

中大西洋脊

zhōng dà xī yáng jǐ

mid-Atlantic ridge

中洋脊

zhōng yáng jǐ

mid-ocean ridge (geology)

中脊

zhōng jǐ

mid-ocean ridge (geology)

古脊椎动物学

gǔ jǐ zhuī dòng wù xué

vertebrate paleontology

圆口纲脊椎动物

yuán kǒu gāng jǐ zhuī dòng wù

cyclostome (marine biology)

大洋中脊

dà yáng zhōng jǐ

mid-ocean ridge (geology)

大西洋中脊

dà xī yáng zhōng jǐ

Atlantic mid-ocean ridge

大西洋洋中脊

dà xī yáng yáng zhōng jǐ

Atlantic mid-ocean ridge

屋脊

wū jǐ

roof ridge

山脊

shān jǐ

mountain ridge

强直性脊柱炎

qiáng zhí xìng jǐ zhù yán

ankylosing spondylitis