The legislation was first proposed in two thousand seven by Joe Biden, then a senator, now the vice president.

VOA: special.2009.10.24

Scholars have proposed three possible models to explain the formation of Israel. The first is an immigration model.

学者们提出了三种可能的模型,来解释以色列的形成，第一种是移民模式。

耶鲁公开课 - 旧约导论课程节选

Ever since this was first proposed, there has never been any observations that do not coincide with the idea, that did not match the fact that the probability density is equal to the wave function squared.

从未有，任何观测，与它相抵触,从没有过，波函数的平方不等于,概率密度的情况，关于马克思，波恩。

麻省理工公开课 - 化学原理课程节选

He first proposed that the continents had moved and were still moving.

VOA: special.2010.01.12

The first stage proposed by Adeimantus is the simple city, what he calls the city of utmost necessity.

由，Adeimantus，提出的第一个阶段是,简约之城，他所谓的本需之城。

耶鲁公开课 - 政治哲学导论课程节选

Four years later, the first Alaskan statehood bill was proposed in Congress.

VOA: special.2009.03.02

"This is something,after all, that first came to the attention of the American public one hundred years ago when a national health insurance program was proposed by President Theodore Roosevelt, and successive presidents, mostly Democrats but not all, have favored it."

VOA: special.2010.03.27