regulate
/ˈregjʊleɪt/verb
with obj.
1- control or maintain the rate or speed of (a machine or process) so that it operates properly控制, 调节, 调整（机器或过程的速率）：
a hormone which regulates metabolism and organ function.
调节新陈代谢和器官功能的荷尔蒙。
1.1
- control or supervise (something, especially a company or business activity) by means of rules and regulations（尤指对公司或商业活动）管理, 制约：
the Code regulates the takeovers of all public companies.
这项法规管理对所有公开招股公司的兼并。
1.2
- set (a clock or other apparatus) according to an external standard校准, 对准（时钟或其他仪器）。
派生词
regulative
adjective词源
late Middle English （in the sense 'control by rules'）： from late Latin regulat- 'directed, regulated', from the verb regulare, from Latin regula 'rule'.