The utility model relates to a novel shaft head seal.

本实用新型涉及一种新式轴头密封。

youdao

The dark head of a seal bobbed up a few yards away.

在几码远处一只海豹的黑脑袋猛地钻出水面。

《牛津词典》

The box had an opening big enough for the seal to put his head in, but not large enough for him to enter completely.

水箱有一个足于让海豹伸头进去的开口，但还没有大到足于让它全身通过。

youdao

An explosion on an offshore rig killed 11 workers and ruptured a deep-sea well head, which took 84 days to seal.

BBC: BP appeal over 'absurd' Gulf oil spill payouts

The Lib Dems have said the contest - the first by-election battle of this Parliament where the two governing parties are going head to head - is close and they hope to "seal the deal" over the coming days.

BBC: Eastleigh by-election 'two-horse race' claims Nick Clegg

The governors and head teacher denied any blame for delay in work to seal or remove the asbestos.

BBC: Cwmcarn High School