It is much safer for the children to wear safety helmets when biking.

在骑自行车时戴上安全帽对于孩子会更安全。

14. It is much safer for the children to wear safety helmets when biking.

在骑自行车时戴上安全帽对于孩子会更安全。

Turns out glass foam isn't just useful in water but also on land in safety helmets and body armor. FedTech help DeMay's team connect the dots.

事实证明玻璃泡沫不仅在水中有用，而且对陆地上的安全头盔和防弹衣也有用。FedTech帮助DeMay的团队融会贯通。

I joked in one of my books that I felt as if I ought to put a safety helmet on before writing about the Cambrian period, but it did actually feel a bit like that.

我在一本书里开玩笑说，我觉得在写到寒武纪的事之前应当先戴个安全帽，不过我就是有点儿这样的感觉。”