立彬の日本語
これらの感染病はミルクの汚染が原因だった。
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These infections were caused by contaminated milk.
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これら， これ等， 此等， 是等， 之等， 此れ等
1. these
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感染， かんせん
1. infection, contagion, becoming infected
2. being infected (e.g. with harmful ideas), being influenced (by)
感染
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ミルク
1. milk
2. infant formula, formula, baby milk
3. condensed milk
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汚染， おせん
1. pollution, contamination
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原因， げんいん， げいいん
1. cause, origin, source
原因
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
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
が
1. indicates the subject of a sentence
2. indicates possession
3. but, however, (and) yet, though, although, while
4. and
5. used after an introductory remark or explanation
6. regardless of ..., whether ... (or not), no matter ...
7. indicates a des...
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