既然drop是滴状物,为什么cough drop是止咳药片啊?

既然drop是滴状物,为什么cough drop是止咳药片啊? cough drop 里drop的意思不好意思，freezy是什麽意思？ cough 英语翻译允许..cough..打破..抽烟..drop..pick..cost..选择..open..进入..鼓励..建议..提及.. Drop drop drop cough and cough. He cough and cough. i still have a cough 这里为什么用 have cough音标 cough是什么意思 cough是什么意思 既然死为什么活着 I never expected that he would ____ mo on his way to the airport为什么用drop in on不用drop on ,drop at,drop in drop与fall的辨别可以说drop out of还是说“fall out of,为什么 I THINK I __(DROP) IT DURING THE CONCERT.中为什么填DROPPED不是WILL DROP ___your doctor's advice,or your cough will get worse.为什么不能填allow?理由哦