定義 / Definition
[noun]
・a load, typically a heavy one.
・something difficult or unpleasant that you have to deal with or worry about.
・the main theme or gist of a speech, book, or argument.
[verb]
・load heavily.
・cause (someone) worry, hardship, or distress.
— その他 例文 —
The burden on the environment is small.
環境負荷が小さい
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