英语语法分析

Sedat says the UCSF group will make a formal reply to Holdren.

塞达特说旧金山加利福尼亚大学的这些人将向霍尔德伦作出正式答复。

Even though Sedat had been studying English for three years before he came to the United States, it is still difficult for him to express himself.

虽然塞丹特来美国之前已学了三年英语，但他在表达上仍有困难。

The response doesn't satisfy John Sedat, a UCSF professor-emeritus of biochemistry and biophysics who was among those who wrote to Holdren last April.

对于这样的答复，约翰·塞达特并不满意。他是旧金山加利福尼亚大学的一位生物化学与生物物理学名誉教授，也是四月份上书霍尔德伦的四位科学家之一。