I always take the stairs two at a time.我總是一步踏兩級(jí)

at a time一次(多少)；同時(shí)；曾經(jīng)；連續(xù)

You can use it to see up to eight images at a time.

您可以用它來一次檢視多達(dá)八個(gè)影像。

I don't even think about it anymore.想都不用想

think about思考；探討；為…費(fèi)心思；體會(huì)體會(huì)

He began to think about what he would do.

他開始思考他要做什么。

He said he would think about our plan this time.

他說這次他會(huì)考慮我們的計(jì)劃。

And it was supposed to teach you how hard it was to be a parent.這是教我們做父母有多么艱難

supposed to應(yīng)該是；料想會(huì)；需要做

As you know, it's supposed to be administered in a hospital.

你知道，這應(yīng)該是由醫(yī)院管理。

She was supposed to be reading at home, but her mother found her in the street.

她本來應(yīng)該在家讀書的，可是她媽媽發(fā)現(xiàn)她在街上。