And Wilson, who was the first American President,

威尔森是美国总统中第一位
by the way, ever to leave the United States during a term of office,

顺便说一下在任期离开美国
goes to Versailles, to the Treaty of Versailles after the war,

去了凡尔赛宫为了战后的凡尔赛条约
and then he can't get the treaty ever

然而他甚至无法把条约
ratified by the U.S. Congress after that.

拿给议会批准
His repudiation is really complete, unfortunately for him,

很不幸他遭到了全面的否决
at the end of the war.

在战争快结束时
What difference did the Americans coming into the war mean, in 1917?

1917年美国参战后又有什么不同呢
It was not the troops

军队没什么不同
- lots of troops begin to arrive,

当时很多其他部队已经到了
led by Pershing, John Pershing,

由珀欣带领的约翰·珀欣
who had honed his skills by shooting down Mexicans in Mexico.

他是在美西战争中一战成名的