First of all, answer these questions.首先，回答这些问题。First of all, you should know what profession suits you.首先, 你该知道什么职业适合你.First of all I must take these magazines to the teacher.首先我得把这些杂志交给教师....

first of all的音标：first of all的英式发音音标为：[fə:st ɔv ɔ:l]first of all的美式发音音标为：[fɚst ʌv ɔl]...

首先...