By the end of the nineteenth century not only were mechanical, civil, and mining and metallurgical engineering established but the newer specialties of chemical and electrical engineering emerged.

到19世纪末，不仅机械，土建，采矿和冶金工程得到了提高，还出现了较新的如化学和电气工程这样的专业。

youdao

The topics include civil engineering, insect genetics, invasion biology, fish population dynamics, and toxic chemical exposures, among others.

FORBES: What Journalists Bring to Science Writing