- 大行星dà háng xīng
major planet
- 行星háng xīng
planet
- 冥外行星míng wài háng xīng
trans-Pluto; trans-Plutonian planet
- 卫星wèi xīng
secondary planet; satellite; moon; satellite network
- 小行星xiǎo háng xīng
asteroid, minor planet, planetoid
- 拯救地球zhěng jiù dì qiú
heal the world; saving the planet; saving the earth
- 氦hài
helium （He）
- 氦灯hài dēng
helium lamp
- 氦弧焊hài hú hàn
heliarc welding; helium arc welding
- 氦化合物hài huà hé wù
helium compound
- 氦化学元素hài huà xué yuán sù
helium
- 氦检测器hài jiǎn cè qì
helium detector
- 氦检漏器hài jiǎn lòu qì
helium leak detector
- 氦气hài qì
helium (He)
- 氦气瓶hài qì píng
helium tank
- 氦同位素hài tóng wèi sù
helium isotope
- 氦制冷机hài zhì lěng jī
helium refrigerator
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