Seroconversions
(seroconversion 的复数) n.[生][医]血清转化
🗣️ 情景例句
Would you kindly hold these keys, please?
请帮我拿一下钥匙。
Stop being so indecisive!
别再婆婆妈妈了！
Unlike her friends, she never gave up hope.
与她的朋友的不同之处是，她从不放弃希望。