立彬の日本語
鉄は使い道の多い金ぞくだ。
tbd
Iron is a metal with many uses.
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使い道， 使いみち， 使い途， つかいみち
1. purpose, utility, objective
2. way to use something
tbd
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多い， おおい
1. many, numerous, a lot
2. large amount of, large quantity of, a lot, much
3. frequent, common
多的，很多的；大量；经常，通常
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金属， きんぞく
1. metal
金属
鉄， 鐵， てつ
1. iron (Fe)
2. steel
3. iron (will, discipline, lady, etc.)
4. railway
5. railway enthusiast
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；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