【主律】 约定的;承诺的
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statements that are promissory in nature 具有约定性质的陈述
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promissory words .承诺。
〈古〉 预示的;有希望的
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the glow of evening is promissory of the splendid days to come .晚霞预示未来几天将是阳光灿烂。
"late Middle English: from medieval Latin