Charged particles called ions travel along the nanowire, causing it to stretch out in length and also bend and wiggle.

被称为离子的带电粒子沿着纳米线移动，导致它伸长、弯曲和摆动。

youdao

However, since droplets from a sneeze can travel the length of a double-decker bus, and a cough can infect anyone within about a metre, this is not always possible.

然而，从一个喷嚏而来的液滴能漫游一双层巴士的长度，并且咳嗽能感染一公尺以内的任何人，但这未必永远如此。

youdao

You'll quickly realize whether your shots are under or overexposed and whether the length of the exposure is long enough to let cars travel through the frame in the way that you want.

你就会很快发现你的拍摄是曝光过少还是过多，曝光时间是否够长到让车辆以你希望的方式驶过相框。

youdao

Prospective patients must be fit for travel, the cost must make economic sense, the length of stay should be relatively short and follow-up care must be predictable and fairly brief.

VOA: standard.2010.04.08

After tightening the connection and then measuring the time it takes data to travel the length of the fiber, researchers found that the data arrive 60 nanoseconds earlier than assumed.

FORBES: No Virginia, There Are No Faster Than Light Neutrinos

"I am going to travel the length and breadth of this country, as Robert Kennedy did 30 years ago and as Eleanor Roosevelt did during the Depression, to observe the face of American poverty -- not from behind a Senate desk, but in the streets, the villages and neighborhoods of those in distress, " Wellstone said in a speech recently.

CNN: AllPolitics - News Briefs

Currently the snake bots are battery powered, which limits both the distance they can travel and the length of time they can be operated.

CNN: Snake robots slither to the rescue