The 7th Food Exhibition 2015 welcomes you!

2015年第七届食品展览会欢迎您！

youdao

I go to the 7th grade in Saint Michael School.

我在圣迈克尔学校上七年级。

youdao

I remembered learning about the food chain in the 7th grade.

我记得在七年级时学过有关食物链的知识。

youdao

George Washington was a military hero. So was the 7th president, Andrew Jackson, who took office in 1829.

VOA: special.2009.01.19

And the constant, if we redo it in modern SI units, 1 would take on the value of 1.1 1*10^7m-1 times 10 to the 7th reciprocal meters.

如果我们用现代国际单位制来改写它，这个值是1,1。

麻省理工公开课 - 固态化学导论课程节选

And the nucleus name was used as an analogy to the nucleus of a cell so in some ways that makes it easier to see the connection but I think it can also be a little bit confusing for maybe 7th graders that are learning both at the same time, that this nucleus acts very different from a nucleus in a cell, although, of course, there many of them in the nucleus of a cell.

原子核这个名字的命名,是类似于细胞核,这样会让人们更容易看到两者之间的联系,但我觉得这样可能,会给正在学这两个课程的,7年级学生带来困惑，原子核的行为,和细胞核完全不同，虽然在细胞核。

麻省理工公开课 - 化学原理课程节选

The Xbox 360 was the best-selling game platform for the 7th month in a row.

FORBES: U.S. Retail Video Game Sales Fell 20% In February From Yr Ago

This article was written by one of the Youth Bloggers of the 7th UNESCO Youth Forum.

UNESCO: Social and Human Sciences

In theaters only two weeks, Skyfall is now the 7th highest-grossing movie of the year.

FORBES: 'Breaking Dawn', 'Skyfall', Lead A Huge Box Office Weekend