美 [tu ˈspeʃəlaɪz ɪn]
专营，专门研究：指在某个领域或某种活动中具有专门的知识、技能或经验。
... to speak volumes：含义很深，很有意义 to specialize in：专门研究;专营 to speculate on：思索;推测，猜测 ...
... to speak volumes：含义很深，很有意义 to specialize in：专门研究；专营 to speculate on：思索；推测，猜测 ...
... 主伐 principal felling 专攻 to specialize in; to major in 字典攻击 dictionary attack ...
... commercial (adj.) 商业的；商用的 to specialize in 专精；专长 in the clear 不犯法；清白 ...
专营；专门研究
A small segment of the urban society started to specialize in nonagricultural tasks as a result of the city's role as a regional center.
由于该城市是区域的中心，城市社会中的一小部分人开始专门从事非农业工作。
A college education will enable me to specialize in a certain field of knowledge, such as medicine or law, preparing me to become a professional.
大学教育将使我能够专注于某些领域的知识，例如医学或法律，让我成为专业人士。
After I did my engineering degree, I began to specialize in computer technology.
读完工程学位后，我就开始专攻计算机技术。
So, we are going to specialize to a very limited class of problems in the rest of this class.
在接下来的时间里,我们会专门研究,一类非常有限的问题
基础物理课程节选 : 耶鲁公开课
It has gone on to specialize in DNA probes for sexually transmitted diseases and other microbial infections.
Trade encourages nations to specialize in their "comparative advantage" and trade with other nations that specialize in theirs.
While the multilateral institutions were sleeping--they seem to specialize in ignoring incipient crises--local governments in China were busy borrowing.