He took a thick knife out of his pocket and opened one of its blades.

他从口袋里掏出一把厚实的刀，打开了其中一枚刀片。

youdao

Dan opened one eye and said, "What?"

丹睁开一只眼睛说，“什么？”

youdao

Dan opened one eye and said, "What? Are you crazy?"

丹睁开一只眼睛说，“什么？你疯了吗？”

youdao

If the accused man opened one door, out came a hungry tiger, the fiercest in the land.

VOA: special.2009.04.18

On the fourth day, they opened one of the cans of turnips and ate it.

第四天，他们开了一罐腌萝卜来吃。

耶鲁公开课 - 公正课程节选

Now if I put them in contact with one another, the plasmid that's been opened and fragments of the DNA - special fragments that I've produced with the same restriction enzyme, they'll have the same sticky ends, they will naturally hybridize with one another.

如果我让它们互相接触,已经切开的质粒和DNA片段--,这DNA片段是我已用同种限制性内切酶,处理过的特别片段,这两者会有相同的粘性末端,它们会自然地相互杂交

耶鲁公开课 - 生物医学工程探索课程节选

San Francisco opened one of the first permanent household hazardous waste collection centers in 1989.

CNN: Be your own hazmat squad

Frankie Dettori then opened one of the bottles of bubbly and sprayed him Grand Prix style.

BBC: SPORT | Other Sport | Horse Racing | Eddery bows out

The 105-year-old building - a heritage structure - sustained more damage than the re-opened one.

BBC: Flowers and tears as hotels re-open