As a right of a citizen, seif - defense isn t possessed for the whole life.

正当防卫作为公民的一项权利，并非终生享有的。

youdao

One of the things we're trying to look at is prebiotic seif-organisation, chemical seif-organisation .

我们要考察的内容之一是生命起源前的自组织，化学自组织。

youdao

Longitudinal or seif dunes are dunes that are parallel to a strong wind that blows in one general direction.

纵向或者赛夫沙丘是与强风平行的沙丘，风总是以相同方向刮过。

youdao

I'm joined now by the Ambassador in London, His Excellency Hatem Seif El Nasr.

BBC: Transcript of Hatem Seif el Nasr interview

"I know that you hope that Seif will be a good solution, " he writes.

WSJ: Foreign Firms Helped Gadhafi Spy on Libyans

Mr Seif and the 11 others were later sentenced to another two-and-a-half years in prison.

BBC: Profile: Syrian dissident Riad Seif