extensively

The new rocket was extensively tested and debugged by the army.

这种新式火箭由军方进行了广泛的测试和调试。

Dr Alloway, from the University of Stirling in Scotland, has extensively studied working memory and believes it to be far more important to success and happiness than IQ.

来自苏格兰的斯特灵大学阿洛韦博士，已经广泛的研究“工作记忆”，并认为它是比智商更为重要对于成功和幸福来说。