welcome的最高级为：welcomest...

Hello , it's a pleasure to meet you, Anna. Welcome aboard.你好, 安娜.很荣幸认识你. 欢迎你的加入.Jim: Hello, it's a pleasure to meet you, John . Welcome aboard.吉姆: 你好, 很高兴认识你, 欢迎到这儿来.Hello, it's a pleasure to meet you, Joh...

v.欢迎( welcome的过去式和过去分词 )，迎接，乐于接受，希望有...

请上船（或车、飞机）...