| 单词 | controlled environment |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔controlled〕The polar bears at the zoo live in a controlled environment.动物园的北极熊生活在人工控制的环境中。韦氏高阶〔environment〕These animals were raised in a controlled environment.这些动物被养在一个受控制的环境中。韦氏高阶〔fieldwork〕Work done or firsthand observations made in the field as opposed to that done or observed in a controlled environment.现场工作：在实地所做的工作或获得的第一手观察资料，与在可控环境下做的或观察到的东西相对美国传统〔purpose-built〕The art is housed in a purpose-built structure that provides a controlled environment.这件艺术品被放在一个特制的建筑物里，里面的环境是可以调控的。韦氏高阶The experiment must be performed in a controlled environment.实验必须在一个被控制的环境下进行。剑桥国际 |
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