试题题干
The establishment of a laboratory of 
psychology announced the official birth of the science.
参考答案
试题解析
The establishment of a laboratory of experimental psychology announced the official birth of the science. 实验心理学实验室的成立宣布了科学的正式诞生。
The establishment of a laboratory of psychology announced the official birth of the science.
The establishment of a laboratory of experimental psychology announced the official birth of the science. 实验心理学实验室的成立宣布了科学的正式诞生。