HSK 6
原理
yuánlǐ名
principle; theory
老师用实验说明了工作原理。
Lǎo shī yòng shí yàn shuō míng le gōng zuò yuán lǐ.
The teacher used an experiment to explain how it works.
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Other HSK words sharing a character
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New in the HSK 3.0 word list at level 6.