1N-PROPER (耶稣在最后的晚餐上所用的)圣杯The Grail or the Holy Grail is the cup that was used by Jesus Christ at the Last Supper. In medieval times, many people tried to find the Grail without success. (耶稣在最后的晚餐上所用的)圣杯
2N-SING 渴望得到的东西;努力追求的目标 If you describe something as a grail or a holy grail, you mean that someone is trying very hard to obtain or achieve it. 渴望得到的东西;努力追求的目标
The discovery is being hailed as The Holy Grail of astronomy.