study的现在分词 studying；过去式 studied；
studyv.学习；攻读；审视；端详
He\'s studying music in his spare time.
他在空闲时间学音乐。
I am studying Chinese.
我正在学中文。
The students were questioned on the books they had been studying.
学生被问到有关他们所学课本内容的问题。
水利万物而不争,
而万物莫能与之争。
