她教我们做实验.She taught us how to conduct experiments.
用青蛙做实验experiment (upon) on frogs
在做实验时,不能过分依靠人类的感觉去做精确的观察.When experiments are to be made,one cannot rely too much upon the human senses to make accurate observation.
她教我们做实验.She taught us how to conduct experiments.
用青蛙做实验experiment (upon) on frogs
在做实验时,不能过分依靠人类的感觉去做精确的观察.When experiments are to be made,one cannot rely too much upon the human senses to make accurate observation.