立彬の日本語
日本の多くの河川は工場の廃液で汚染されている。
tbd
Many rivers in Japan are polluted by waste water from factories.
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日本， にほん， にっぽん
1. Japan
日本
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多く， おおく
1. many, much, plenty, a lot
2. majority (of), greater part (of)
3. mostly, mainly, chiefly, usually, often
多，很多；多数；主要，通常，常常
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河川， かせん
1. rivers
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工場， こうじょう， こうば
1. factory, plant, mill, workshop
工厂，车间
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廃液， はいえき
1. waste liquid
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汚染， おせん
1. pollution, contamination
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される， 為れる
1. to be done (to someone or something)
2. to do, to be doing
(对某人或某物)进行某种动作，する的被动形态；(对某人或某物)正在做，即将做
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
で
1. at, in
2. at, when
3. by, with
4. within, in
5. and then, so
6. and, then
7. let me tell you, don't you know
表示范围