study做研究是可数吗

We will study the report carefully before making a decision.

我们将认真研究这份报告，然后再作决定。

His face was a study in concentration.

他脸上完全是一副全神贯注的表情。

Physiology is the study of how living things work.

生理学是研究生物功能的学科。

This study represents a major expenditure of time and effort.

这项研究意味着要耗费大量的'时间和精力。

This study is the cornerstone of the whole research programme.

此项研究是整个研究计划的基础。