Dillworthy was staring into space, with a scrawl of doodles on the pad in front of him.

迪尔沃西凝望着天空，面前的纸上满是涂鸦。

《柯林斯英汉双解大词典》

I took the pad and wrote on it.

我拿起便笺簿，在上面写了字。

youdao

I took a pad and lay on it.

我拿了一个垫子，躺在了上面。

youdao

The first launch attempt was postponed after technicians discovered a hydrogen leak while the ship was on the launch pad.

VOA: standard.2009.06.16

Shuttle test director Stephen Payne said the lunar mission team agreed to allow Endeavour to take the launch pad,or range, on Wednesday.

VOA: standard.2009.06.16

Engineers discovered the problem during fueling, and worried that any excess hydrogen on the launch pad could cause an explosion during engine ignition.

VOA: standard.2009.03.15

We didn't have to change our usual or "traditional" finger positioning, meaning we were able to keep our right thumb in the bottom left corner of the pad and use our index finger to navigate. (Even if our thumb moved slightly up on the pad it still worked.) Best of all, while using that finger positioning we rarely zoomed in on something by mistake.

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With all this in mind, the Pad Rats at launch complex 39-A made their way to the 10 ordnance wires in question on Atlantis' stack as it sat on the pad.

CNN: Challenger explosion

He drew a calendar on his pad of paper to start counting down the days.

NEWYORKER: Hellhole