casually英文解释
题目
casually英文解释
一定用英文解释英文,如：a man who...这样句式的,不是的也可以.我急,
答案
relaxed and not worried,or seeming not to care about something:
a casual manner
His eyes were angry,though he sounded casual.
Marsha was quite casual about appearing on TV.
She had a casual attitude to life
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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