Etisul
[医] 肽乙硫, 异肽酸二乙二硫酯
🗣️ 情景例句
That took place right after the First World War, didn't it?
它就发生在第一次世界大战之后，是吗？
Who is the chief of sate of this nation?
谁是这国家的领袖？
Hello, Jim! Help yourself to a cake.
你好，吉姆！请随便吃糕点。