立彬の日本語
長方形の対辺は平行である。
tbd
The opposite sides of a rectangle are parallel.
437
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長方形， ちょうほうけい
1. rectangle, oblong
tbd
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対辺， たいへん
1. opposite side
tbd
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平行， へいこう
1. parallelism, running parallel (to, with)
2. running concurrently, occurring at the same time, keeping pace with
3. not reaching an agreement (e.g. of a debate)
tbd
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である
1. be, is
是、=です、=だ
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
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
