An attempt to implant an embryo using an egg from an anonymous woman donor was unsuccessful. 用一位匿名女性捐献的卵子来植入胚胎的尝试未获成功。
He received an anonymous letter threatening to disclose details of his affair if he didn't pay the money. 他收到一封匿名信，威胁说如果他不付钱，就把他的风流韵事都抖搂出来。
- An anonymous letter alerted police to the possibility of a terrorist attack at the airport.
- An anonymous businesswoman donated one million dollars to the charity.
- Thanks to a large gift from an anonymous donor, the charity was able to continue its work.
- After years of research, scholars have finally ascribed this anonymous play to Christopher Marlowe.
- An anonymous tipster has leaked confidential government information to the press.