Dictionary › 内源
内源
nèi yuán
What 内源 means
- source
The characters in 内源
Go deeper
- The four tones and the neutral tone, to read nèi yuán correctly.
- Look up another word in the free dictionary.
Looking a word up is not learning it. GraphChinese puts all of HSK 1–6 into one dependency graph, teaches each piece only once its prerequisites are solid, and schedules reviews to land just before you would forget.
Start learning