Dust storms very probably happen on hot summer days, and it's not safe for people to travel during this period.

沙尘暴很可能发生在炎热的夏天，在这个时期人们旅行是不安全的。

youdao

Then she sent us off with a Shoshone blessing for safe travel on the river and a safe journey through life.

之后，她送给我们一个肖肖尼人的祝福：祝福我们沿河旅行安全以及一生平安。

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By and large flying is a particularly safe way to travel, but more so in some countries than in others (see chart 7).

总的来说，乘飞机是非常安全的旅行方式，但在一些国家要比其它国家更为安全(见表7)。

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For years,people have wondered whether they are safe from germs when they travel in small,enclosed areas.

VOA: special.2009.07.14

Given this information, many people want to know how safe is it to travel?

VOA: special.2009.07.14

Former TSA Administrator Kip Hawley says Americans must weigh privacy concerns against the need for safe travel.

VOA: standard.2009.12.30

You can design your Guardian travel safe to be clad in anything from soft leather to shiny saltwater crocodile skin.

FORBES: Connect

"On behalf of the other four crew members of Flight 1549 and also on behalf of the many thousands of aviation professionals whose daily devotion to duty keeps air travel safe, I gratefully accept this recognition, " he said.

CNN: Schwarzenegger honors Hudson hero pilot

American Airlines and any other company that can't fulfill its core mission on a regular basis, whether it's safe and efficient airline travel or safe peanut butter or cynanide-free Tylenol, may not be long for this world.

CNN: How would you save American Airlines?