立彬の日本語
彼女は数学の専門家です。
tbd
She is an expert in mathematics.
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彼女， かのじょ
1. she, her
2. girlfriend
她；女朋友
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数学， すうがく
1. mathematics
tbd
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専門家， せんもんか
1. specialist, expert, professional, authority, pundit
tbd
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题
の
1. indicates possessive
2. nominalizes verbs and adjectives
3. substitutes for "ga" in subordinate phrases
4. (at sentence-end, falling tone) indicates a confident conclusion
5. (at sentence-end) indicates emotional emphasis
6. (at sentence-end, risi...
句尾起强调作用；助词，表示所有关系