Many members of the church sang from memory.

许多教徒都是凭记忆唱颂歌。

《柯林斯英汉双解大词典》

He can recite that poem from memory.

他能凭记忆背诵出那首诗。

youdao

She can recite the whole poem from memory.

她能背诵全诗。

《牛津词典》

But learning so much of it in such a short time, that's a big scramble -- and they have to know it from memory."

VOA: special.2011.07.11

The repetition of symbols was to be enough, without trauma, as well, perhaps, to attenuate it, or even jar it altogether loose from her memory.

象征的重复快要足够，即便没有可能的从她记忆中流出的创伤，去减弱它去刺激它。

耶鲁公开课 - 1945年后的美国小说课程节选

A low-level language, we used to call this assembly programming, you're down at the level of, your primitives are literally moving pieces of data from one location of memory to another, through a very simple operation.

一个低级的语言，我们曾经将其称为假设编程，你们只是处于用基本要素，把一些数据碎片,从记忆存储器的一个地方，通过简单的操作来转到另外一个地方。

麻省理工公开课 - 计算机科学及编程导论课程节选

Asteroid strikes and nuclear war are, from memory, two of the examples he uses.

FORBES: Nature on Uncertainty: Climate Change is Less Important Than We Thought

Natural disasters tend to fade from memory as scenes of destruction slip from prominence in the media.

ECONOMIST: In Katrina's wake

In 2009, he'd worked from memory and flubbed the wording, requiring a private do-over the next day.

NPR: The Inaugural Do-Over: Chomping Gum, Savoring View