The bird gave a gulp, and I felt the stone pass along its gullet and down into its crop.

鹅一口就把宝石吞咽下去，我摸到宝石已经顺着它的食道到了它的嗉囊里。

Then the stones passed from hand to hand, and did no end of damage.

然后石头从一只手传到另一只手， 造成的伤害没完没了。

Also, medications might be given, to help reduce pain, reduce stone formation, like potassium citrate, and to help stones pass through, like alpha adrenergic blockers and calcium channel blockers.

亦可通过给药（如柠檬酸钾）来减轻疼痛，减少结石生成；以及用肾上腺素能α受体阻断剂以及钙离子通道阻断剂，促进结石排出。

And the results were surprisingly successful: When they sat in the front of the roller coaster cars, stones passed 17% of the time.

结果出奇地成功：当他们坐在过山车车厢的前面时，有 17% 的时间有石头经过。

They considered the stones " passed" if they were bumped up to the point at the bottom of the kidney model, where they would enter a tube that connects to the bladder.

他们认为，如果结石被撞到肾脏模型底部的位置，它们将进入与膀胱相连的管子，那么这些结石就会“通过”。