What If We Had Acted (H5)
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Key vocabulary words with IPA pronunciation, definitions, example sentences, and interactive quizzes.
Phrases with type tags, bilingual definitions, usage notes, and example sentences.
Energy that does not pollute the atmosphere when used, as opposed to coal and oil.
Used to say that something should have been done before now or should be done immediately.
To regard someone or something as important and worthy of attention or respect.
To change or develop into something different.