mid

Quills were the chief writing implement from the 6 th century AD until the advent of steel pens in the mid 19 th century.

从公元6世纪到19世纪中期钢笔出现以前,羽毛笔是主要的书写工具.

——《简明英汉词典》

In the mid 70s, Morrison planned a comedy album. The project fell by the wayside.

70年代中期莫里森打算出部喜剧专辑。该计划后来夭折了。

——柯林斯例句