mildly mild various variety injure injury poisonous poison press pressure application applicant apply treatment treat swollen swell choking temporary squeeze symptoms ambulance complex aid barriers pressure injuries over and over again squeeze out make a difference fall ill first aid 若干;许多若干;许多 起飞;走红;请假起飞;走红;请假 找到找到 阻止阻止 在适当的位置;适当在适当的位置;适当 unless when was walking There is no doubt that