Until you came on the scene they were happy.

在你出现在他们家门以前，人家生活得非常幸福。

Does everybody remember when UGG boots first came on the scene?

大家还记得 UGG 靴子第一次出现的时候吗？

But big changes came on the scene in the mid 19th century.

但19世纪中期出现了重大变化。

When it first came on the scene, over 80 percent of those who contracted the virus died.

救治场所里第一次出现希望的时候，80%的埃博拉患者都死亡了。

And then by December, of course, omicron came on the scene quickly and did a lot of damage.

然后到了12月，当然，奥密克戎很快就出现了，造成了很多破坏。

When COVID-19 first came on the scene, I had actually a lot of fears and a lot of anxiety.

疫情刚爆发的时候，我很有多担心和忧虑。

Researchers at the University of California Berkley say penguins first came on the scene in Australia and New Zealand.

加州大学伯克利分校的研究人员表示，企鹅最早出现在澳大利亚和新西兰。

Think of Myspace after Facebook came on the scene.

想想 Facebook 出现后的 Myspace。

All of these sports were around before basketball came on the scene.

所有这些运动在篮球出现之前就已经存在了。

But when predatory snakes first came on the scene, that system totally failed.

但是当食肉蛇第一次出现时，这个系统就完全失败了。

But that was until this other guy came on the scene, this German guy.

但直到另一个人出现，这个德国人。

Not sinceyou came on the scene.

进屋里去。

The actors came on the scene while others were busy behind the scene.

演员们出场了，另一些人在幕后忙碌着。

I felt like Mike Tyson when he first came on the scene knocking out opponents in the first round.

当迈克·泰森（Mike Tyson）第一次出现在第一轮击倒对手时，我感觉就像他一样。

Since our species came on the scene 200,000 years ago, there've been maybe 7 or 8 thousand generations of humans leading up to you.

我们的物种出现在 20 万年前，在你之前可能有七八千代人。

In 2019 though, Apex Legends came on the scene, and so now we have a new contender for best battle Royale game.

不过在 2019 年，Apex 英雄登场了，所以现在我们有了新的最佳大逃杀游戏竞争者。

It was a remarkably sweet moment between the two women, whom tabloids have cast as royal rivals ever since Meghan came on the scene in the fall of 2016.

这是两个女人之间非常甜蜜的时刻，自从2016年秋季梅根出场，小报就把她们塑造成敌人。

That was until the late 1980s, when a new laboratory technique came on the scene, which could copy DNA from a small tissue or fluid sample and decode the genetics of individuals.

直到 20 世纪 80 年代后期， 一种新的实验室技术出现，它可以从小组织或液体样本中复制 DNA 并解码个体的遗传信息。

And even then the tomato doesn’t appear to have been very important as a food plant until the European came on the scene. They took it back to Europe with them around 1550.

即便如此，在欧洲人出现之前，西红柿作为一种食用植物似乎并不重要。他们在 1550 年左右将它带回了欧洲。