
好词典

源自中古英语 'controllen',借自古法语 'contreroller'(核对记录),最终源自拉丁语 'contra rotulus'(对照卷轴)。
❶ 指被管理或限制的状态,强调有规则或系统地进行约束,常用于描述有序或受监管的事物。
“The experiment was conducted in a controlled environment.”
(实验在受控环境中进行。)
“She spoke in a controlled voice despite her anger.”
(尽管愤怒,她仍以克制的语气说话。)
❶ 指通过权力或规则对事物进行管理或限制,使其按照特定方式运作或发展。
“The government controls the price of essential goods.”
(政府控制基本商品的价格。)
“She struggled to control her emotions during the speech.”
(她在演讲中努力控制情绪。)
controlled substance — 指法律严格管制的物质(如药品或化学品),通常因其潜在滥用风险而受限制。
“Morphine is classified as a controlled substance in many countries.”
(吗啡在许多国家被列为管制药物。)
under controlled conditions — 表示在精心管理或限制的环境中,确保变量稳定或结果可靠。
“The bacteria were grown under controlled conditions.”
(细菌在受控条件下培养。)