President Hussein called on all countries in the Middle East to scrap nuclear or chemical weapons.

侯赛因总统呼吁中东各国放弃核武器或化学武器。

《柯林斯英汉双解大词典》

Nobody wants to give up the flood of extra tears you produce when you get something physical or chemical in your eyes.

当你的眼睛里有物理或化学物质的时候，没有人愿意放弃你流下的大量额外的眼泪。

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In addition, it is likely that small live animals in the advected water might be killed or stunned by thermal and/or chemical shock, thereby contributing to the food supply of vents.

此外，喷出水体中的小型活体动物很可能被热冲击和/或化学冲击杀死或击昏，从而增加了喷口的食物供应。

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"Organic agriculture in general is well suited to small-scale farmers because usually small-scale farmers do not have much cash to purchase external inputs, chemical inputs,pesticides, or chemical fertilizers."

VOA: standard.2010.04.11

So the access that a cell has to certain kinds of genes, or chemical modifications of DNA, not chemical modifications that change the base pairs, that would be a mutation.

因此细胞变化的途径应该是对某些基因,或者DNA进行化学修饰,不是更改碱基对,更改碱基对就是突变了

耶鲁公开课 - 生物医学工程探索课程节选

It's a state function, so we're at constant temperature and pressure, and now we want to consider some chemical change or a phase transition or you name it.

这就是态函数，我们处于恒定的温度和压强之下，然后考虑某些化学变化或者相变,或者你想考虑的东西。

麻省理工公开课 - 热力学与动力学课程节选

The stem cells were given physical or chemical cues to create the desired type, Green said.

CNN: Lab-made organ implanted for first time

Such a virtual organisation could be a crisis-management team dealing with an earthquake or chemical spill.

ECONOMIST: REPORT: COMPUTER NETWORKS: Computing power on tap | The

He said Washington has no evidence that Iraq is developing nuclear, biological or chemical weapons.

CNN: Bush: U.S. will move on Iraq if U.N. won't