In fact, there are not too many uncommon words for "back to Yan'an", but for primary school and junior high school students, there should still be some words that they do not understand. Here are 11 words for reference.

Embrace [lǒu]: Put your arms together and hold them together with your arms. 2. Sheep tripe [dǔ]: refers to the organs in the sheep’s belly. 3. Dengshi [dēng]: immediately, immediately. 4. Lamb [gāo]: the collective name for sheep’s young. 5. Millet [méi zi]: a kind of millet grain, commonly known as yellow millet. 6. Youmo [mó]: Fried pancake-shaped food made from millet flour. 7. Kang [kàng]: a heating bed heated by a hot pipe for baking or with a fire and smoke exhaust pipe. 8. Cave dwellings [yáo]: Cave dwellings dug on the cliffs of mountains in the Loess Plateau region of my country for people to live in. 9. Naoban: refers to the top of the outside of the cave dwelling. 10. Orbit [kuàng]: the area around the eyes. 11. zhan [zhǎn]: The unit of measurement for lamps. To master these words proficiently, you must understand the meaning of the words through a dictionary.