firm [fə:m]
adj.牢固的;坚定的
firmly ['fɜ:mlɪ]
adv.牢牢地
by mistake
弄错地;错地
throw up
吐出(食物);呕吐
quantity ['kwɔntiti]
n.量;数
pay attention to
注意;留心
stomach ['stʌmək]
n.胃
stomach pain
胃痛