化验 huàyàn chemical examination
chemical examination; to do a lab test
How to remember 化验: 化 change + 验 examine = chemical examination.
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How it is used
- To run a lab test/analysis - 化验血液 (huàyàn xuèyè) do a blood test; 化验结果 the test results.
- Medical/chemical lab register; 化验单 = lab report.
- Distinct from 检查 (jiǎnchá, examine broadly); 化验 is specifically chemical/lab analysis.