trigger an asthma attack 诱发哮喘发作
severe asthma attack 严重的哮喘发作
asthma inhaler 哮喘吸入器
1. He was rushed to the hospital after a sudden asthma attack.
他因突发哮喘发作被紧急送往医院。
2. Always carry an inhaler in case of an asthma attack.
务必随身携带吸入器，以防哮喘发作。
3. Dust and pollen are common triggers for an asthma attack.
灰尘和花粉是常见的哮喘发作诱因。
A: He is having trouble breathing! Is it an asthma attack?
A：他呼吸困难！是哮喘发作吗？
B: Yes, we need to find his inhaler quickly.
B：是的，我们需要快点找到他的吸入器。
1) 哮喘发作
2) 急性哮喘症状
1. 哮喘发作
e.g.
She suffered a severe asthma attack.
她遭受了严重的哮喘发作。
noun phrase
1. A sudden period of worsening asthma symptoms, such as difficulty breathing and wheezing.