Question

When delivering his lecture,the profeddor mentioned his late

Answer 1

y 有一个意思：If you achieve one thing by doing another thing,your action enables you to achieve the first thing.通过 [PREP -ing]

如：

Make the sauce by boiling the cream and stock together in a pan.

通过将乳酪和高汤一起放在平底锅里煮来制作调味料.

这里就是这个用法哦·

就是说：在讲座时,教授在通过传递这本书来