By the summer of 2019, more than 2.4 billion people were active on Facebook every month.

截至2019年夏天，脸谱网月活跃用户超过24亿人。

Both were active in the artistic community of southern California. They spent most of three years in Mexico.

他们两位在南加州的艺术界都很活跃。他们在墨西哥生活了三年。

HPD said there were more than 500 officers throughout the day, about 300 of which were active during the incident.

休斯顿警察局表示，全天有500多名警察，其中约300人在事件发生期间仍然很活跃。

Whenever his emotions were active, he was in agony.

每当他的情绪活跃时， 他就会感到痛苦。

China has a long history during which many of the world's greatest poets were active.

中国有着悠久的历史，其间活跃着许多世界上最伟大的诗人。

They were active on the stage only because they were actuated by the life.

他们在舞台上表现活跃是因为他们受生活驱使。

Instead, I'm on the trail of clues left by dinosaurs and other extinct animals when they were active and very much alive.

而是寻找恐龙和其他已灭绝动物存活时留下的痕迹。

Women's organizations were active participants from the beginning, arguing that alcohol made men neglect their families and abuse their wives.

妇女组织从一开始就是积极参与者，认为酒精使男人忽视家庭并虐待妻子。

Cardinal George Pell, a former archbishop of Sydney, is being asked whether he knew if pedophiles were active in churches under his ward.

对恋童癖者是否在教区活动猖獗，前悉尼枢机主教乔治·佩尔做出了回应。

All the trees, with all their laden branches; all the shrubs, and ferns, and grasses; the message-carrying air; all these unceasingly were active.

所有的树，连同它们所有果实累累的枝条；所有的灌木、蕨类和青草；传递信息的风；这一切都在不断地活跃着。

Paska smuggled into some of the implants, the gene for a protein that flashed when they were active, This flagged up.

Paska 走私到一些植入物中，一种蛋白质的基因在它们活跃时会闪烁，这标记了。

And the researchers found that when meditators were experiencing that sense of non-duality or oneness, more parts of their brains were active than usual.

研究人员发现，当冥想者体验到这种非二元性或同一性时，他们大脑的更多部分会比平时更活跃。

In sustaining public sentiment they were active. Mrs. Warren with a tireless pen combatted loyalist propaganda in many a drama and satire.

他们积极维护公众情绪。沃伦夫人用不知疲倦的笔在许多戏剧和讽刺作品中与保皇派宣传作斗争。

During one stage of sleep, short, powerful rhythms deep in the brain trigger the same sequences of neurons that were active before sleep, creating lasting connections between them.

在睡眠的一个阶段，大脑深处短暂而有力的节奏会触发睡眠前活跃的神经元序列，在它们之间建立持久的联系。

In the military it was easier not to sleep, you were active and had something to do, but with nothing to really do it's a lot harder.

在军队里，不睡觉更容易，你很活跃，有事可做，但如果真的无事可做， 那就更难了。

He said, " If we want to understand extinct species, we need to understand what gene complements they have and also what the genes were doing, and which were active."

“如果我们想了解灭绝的物种，我们需要了解它们有什么基因互补，以及这些基因在做什么，哪些是活跃的。”

Previous Moon-rock samples collected by the US and Soviet Union have led scientists to conclude that volcanoes were active on the lunar surface about 3 billion years ago.

美国和苏联之前收集的月球岩石样本使科学家们得出结论， 大约 30 亿年前月球表面有火山活动。

But researchers observed some zebrafish cells switched to different new types – as indicated by the change in what genes were active—after they should have been well committed to a certain fate.

但研究人员观察到，一些斑马鱼细胞在本应很好地适应某种命运之后，转变为不同的新类型——正如活跃基因的变化所表明的那样。