旋上一些钩子— 小的挂皮带，大的挂 手提包—就是这样！

Screw in some hooks—small ones for belts, large ones for handbags—and there you are!

youdao

数完后，她把那些硬币放回罐子里，旋上盖子，然后从后门偷偷溜了出去。 穿过了六个街区，她来到了一家门上挂有大红色的印第安酋长标志的药店。

Carefully placing the coins back in the jar and twisting on the cap, she slipped out the back door and made her way six blocks to the pharmacy with the big red Indian Chief sign above the door.

youdao

他说：“旋翼飞机在军事和商业上都发挥着关键的作用。

"Rotor craft specifically play a critical role for both military and commercial applications," he said.

youdao

/2 You can have it equal to plus 1/2, and that's what we call spin up, 1/2 or you can have it equal to minus 1/2, which is what we call spin down.

它可能会等于，我们叫它自选朝上，或者它等于负，我们叫它自旋朝下。

麻省理工公开课 - 化学原理课程节选

So you can see, if it's spinning on its own axis in this direction we'd call it spin up, where as this way it would be what we call spin down.

你们可以看到，如果它绕自己的轴朝这个方向转,我们就说它是自旋朝上，这个方向我们叫它自旋朝下。

麻省理工公开课 - 化学原理课程节选

Both of these are spinning but they are spinning in the same level.

它们都是在自旋,但是它们都在相同水平上自旋。

麻省理工公开课 - 固态化学导论课程节选