HSK 5
理论
lǐlùn名动
theory; to argue; to take notice of
老师用例子说明这个理论。
Lǎo shī yòng lì zi shuō míng zhè ge lǐ lùn.
The teacher used an example to explain this theory.
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New in the HSK 3.0 word list at level 5.