study可數嗎研究

　　It is important to develop good study skills.

　　培養良好的學習方法很重要。

　　We will study the report carefully before making a decision.

　　我們將認真研究這份報告，然后再作決定。

　　His face was a study in concentration.

　　他臉上完全是一副全神貫注的表情。

　　Physiology is the study of how living things work.

　　生理學是研究生物功能的學科。

　　This study represents a major expenditure of time and effort.

　　這項研究意味著要耗費大量的時間和精力。