I thought I was going to die, just at that moment, a strong arm reached down and held me.

我觉得自己快要死了，就在那一刻，一只强壮的手臂伸过来抓住了我。

youdao

She was reaching toward his pocket—all of a sudden her arm was amazingly long—and the father understood that if his daughter ate this sandwich she would die.

她的手朝他的衣兜伸过去——突然，她的胳膊变长了，十分惊人——父亲明白，如果女儿吃了这块三明治，她就会死去。

youdao

"I found myself in a Bruce Willis Die Hard moment," he said, "where my arm - had a lovely white shirt on - and it just exploded into red." And, while I was taking that in, I got a bullet in my leg.

“我发现自己就像是《虎胆龙威》中Bruce Willis”，他说：“我中了3枪，胳膊、大腿和身上，爆炸将我的白衬衫染成了红色，还有一颗子弹擦着我的头皮飞了过去。”

youdao

Unlike the batteries in traditional arms, which die quickly, a small canister of hydrogen peroxide concealed in the arm can last up to 18 hours, and provides about the same power and functionality of a human arm.

ENGADGET: Rocket-powered mechanical arm might boost prosthetic tech