ondograph
/on-duh-graf, -grahf/US // ˈɒn dəˌgræf, -ˌgrɑf //UK // (ˈɒndəʊˌɡrɑːf, -ˌɡræf) //
签名,签名簿,签名簿上的内容,签名簿上
Definitions
n.名词 noun
- 1
- : an instrument for graphically recording oscillatory variations, as in alternating currents.
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