| 棘皮动物 | [ jí pí dòng wù ] echinoderm, the phylum containing sea urchins, sea cucumbers etc |
| 棘轮 | [ jí lún ] ratchet |
| 棘鼻青岛龙 | [ jí bí qīng daǒ lóng ] Tsintaosaurus spinorhinus, a 10 meter long hadrosaur with a single horn on its duck-billed snout |
| ⇒ 披荆斩棘 | [ pī jīng zhǎn jí ] lit. to cut one's way through thistles and thorns (idiom), fig. to overcome all obstacles on the way, to break through hardships, to blaze a new trail |
| ⇒ 沙棘属 | [ shā jí shǔ ] genus Hippophae, sea-buckthorns |
| ⇒ 腔棘鱼 | [ qiāng jí yú ] coelacanth |
| ⇒ 荆棘 | [ jīng jí ] thistles and thorns, brambles, thorny undergrowth |
| ⇒ 荆棘载途 | [ jīng jí zaì tú ] lit. a path covered in brambles, a course of action beset by difficulties (idiom) |
| ⇒ 食荼卧棘 | [ shí tú wò jí ] to eat bitter fruit and lie on thorns (idiom); to share the hard life of the common people |