Now, remember we talked about these last time, voltage-gated channels are channels that would allow the passage of sodium, in this case, but they can exist in two states, a closed state and an open state.

还记得我们上节课讨论过的吧,电压门控通道是,一种可以容许钠离子通过的通道,在这一例子中 电压门控通道有两种状态,关闭状态和开放状态

耶鲁公开课 - 生物医学工程探索课程节选

What do you think about the two-party system in the United States?

你认为美国的两党制怎么样？

两党制度的优缺点 - SpeakingMax英语口语达人

He spent at least two-thirds of his more than, about three-quarters of his time in the northern states.

他至少花费了他旅程的三分之二,可能不止,应该是他旅程的四分之三时间,周游于北方各州

耶鲁公开课 - 美国内战与重建课程节选

It can exist in - a gated ion channel - can exist in one or two states.

它们能够存在于,门控离子通道有一种或者两种状态

耶鲁公开课 - 生物医学工程探索课程节选

In other words, I have occupancy states for two electrons.

也就是说，这里有两个电子的位置。

麻省理工公开课 - 固态化学导论课程节选

One of every two people in New York City in 1852 was born outside the United States.

在1852年 纽约市每两个人中,就有一个不是美国本土出生

耶鲁公开课 - 美国内战与重建课程节选