立彬の日本語
この川は信濃川の３分の１の長さである。
tbd
This river is about one third as long as the Shinano.
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この， こん， 此の， 斯の
1. this
2. last (couple of years, etc.), these, past, this
3. you (as in "you liar")
这个；最近（几年等）、这些、过去、这个；你（例如指“你这个骗子”）
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川， 河， かわ， がわ
1. river, stream
2. River, the ... river
河流，溪流；……河
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分の， ぶんの
1. -th (e.g. one fifth)
tbd
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長さ， ながさ
1. length
长，长度
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である
1. be, is
是、=です、=だ
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