Step 2 - hold the inhaler about 1-2 inches in front of the mouth .
第二步:把吸入器举在嘴前1-2英寸的位置。
Whenever someone uses the inhaler , it broadcasts the location and time to a central computer .
每当有人使用吸入器时,吸入器就把位置和时间播报到中央计算机。
Ametered dose inhaler ( mdi ) is a device used to deliver asthma medication directly to the lungs .
需要比每4小时一次更频密地使用哮喘药物(喷雾剂或吸入器)
Step 3 - press down on the inhaler to release the medicine as you start to breathe in slowly .
第三步:按压吸入器,释放药物,同时缓慢吸气。
It is a sensor that attaches to an asthma inhaler and uses satellite-positioning data to enable patients and researchers to work out which environments make their condition worse ( such as proximity to a particular type of crop ) .