The technological characteristics of back cap of digital camera were analyzed, and the structural design and operating process of the injection mould were introduced.

分析了数码相机后盖塑料件的工艺特点，介绍了数码相机后盖注射模结构设计和工作过程。

youdao

youdao

She screwed the cap back on the jar.

她又把广口瓶的盖子拧上。

《牛津词典》

It was his first cap and he was up against someone who is now the record back cap holder for Scotland, but I thought Jamie did a great job.

BBC: Tom Shanklin column

While David Cameron said universal benefits for pensioners would be protected the BBC understands ministers are poised to back a cap on care costs.

BBC: 'Target winter fuel benefit to pay for elderly care'

It seems more likely that GM expects to be coming back, cap in hand, some time next year, but is reluctant to admit it.

ECONOMIST: America's carmakers