It's a stop sign.

这是停止标志。

youdao

Her life was turned upside down when a motorist distracted by his cell phone, ran a stop sign and crashed into the side of her car.

一名驾车者被手机分了心，闯了一个红灯，撞到了她的车边。从此，她的生活被颠覆了。

youdao

But her life was turned upside down when a motorist distracted by his cell phone, ran a stop sign and crashed into the side of her car.

但当一名驾车者被手机分了心，闯了一个红灯，撞到了她的车边时，她的生活被颠覆了。

youdao

But in a possible sign of progress, Mitchell will visit several Arab countries and then make an unscheduled stop in Israel on Friday for more talks.

VOA: standard.2009.09.16

Or even just funny things, like if somebody put like "Hammertime" on a stop sign.

或者，有趣的是，好像有人把“哈姆时间”（美国真人秀）画在停车标志牌上。

街头艺术 - SpeakingMax英语口语达人

If I die and you stop, that's not a good sign.

如果我死了,这课也停了,那可不是件好事

耶鲁公开课 - 基础物理课程节选

Approaching a stop sign, I glanced nervously in both directions checking for any autonomous cars nearby.

FORBES: Will Your Next Car Drive Itself?

The livery cab had a stop sign, but it's not clear if the driver stopped.

NPR: Mourning In NY As Baby Dies After Hit-And-Run

Wilson is a block-long, one-way street at the point with a stop sign before it empties onto Kent.

WSJ: After Parents Die in Crash, a Birth