警信 jǐngxìn alarm Origin Definitions Defs Strokes Stroke Words Sentences Sents 2 sentences 早期预警信号是哮喘发作前或刚开始时发生的变化。 zǎoqī yùjǐng xìnhào shì xiàochuǎn fāzuò qián huò gāng kāishǐ shí fāshēng de biànhuà. Early warning signs are changes that happen just before or at the very beginning of an asthma attack. Source: CCMatrix这些早期预警信号可逐渐发展,因此可能不会立即引起注意。 zhèxiē zǎoqī yùjǐng xìnhào kě zhújiàn fāzhǎn, yīncǐ kěnéng bùhuì lìjí yǐnqǐ zhùyì. These early warning signs can develop gradually so they may not be immediately noticeable. Source: CCMatrix