杰克告诉他,这些药片需要一些时间才能见效.
就是说这些药吃下去过后并不是马上就能把病治好~
还有啊,下次如果要提问,句子一定不要打得像这次这样错误百出哦~
正确的句子应该是：
Jack told him that it took sometime for the tablets to work.