Definition: the purpose of something or the particular responsibility of someone Level: B2
这个工具的主要功能是切割金属。
The primary ___function of this tool is to cut metal.
他在团队中的主要职责是分析数据。
His main ___function in the team is to analyze data.
心脏的一个关键功能是将血液泵送到全身。
A key ___function of the heart is to pump blood throughout the body.
