1·感恩节大约是在400年前的1621年成为一种节日的。
Thanksgiving became a holiday almost 400 years ago, in 1621.
2·为了表达他们的感激之情。 在1621年举行了庆祝活动。
To show their thanks, the pilgrims had a celebration in 1621.
3·第一次感恩节发生在1621年，为了庆祝农业丰收。
The "First Thanksgiving" in 1621 was actually a harvest festival.
4·许多感恩节传统始于1621年的丰收庆典。
Many Thanksgiving traditions come from that 1621 harvest celebration.
5·美国人庆祝感恩节的传统可追溯到1621年。
The traditional American Thanksgiving Day celebration went back to 1621.
6·清教徒于1621年，在马萨诸塞州的Plymouth庆祝了第一个感恩节。
The Pilgrims celebrated the first Thanking in Plymouth, Massachusetts, in 1621.
7·1621年的今天，“五月花”号从普利茅斯起程踏上前往英国的归程。
1621 - The Mayflower sets sail from Plymouth on a return trip to Great Britain.
8·现代美国人在感恩节上所吃的大部分食物在1621年根本没有。
Much of what most modern Americans eat on Thanksgiving was not available in 1621.
9·据信，美国人首次于1621年在普利茅斯种植园欢度感恩节的。
It was first held, it is believed, at the site of the Plymouth Plantation in 1621.
10·这个美国传统节日始于1621年，美国成立以前。
This American tradition started in 1621 before the United States of America was established.