“植物不能躲避这些有害刺激，”梅德福教授说道，“所以它们演变出一套复杂的自我保护机制来侦察和应对外部环境干扰。”
'Plants can't run or hide from threats,' Professor Medford said, 'so they've developed sophisticated systems to detect and respond to their environment.'
它们只是刺激并激活我们的免疫系统工作，告诉它有害的东西来了。
They only stimulate and activate our immune system to work, telling it something harmful is coming in.
它的原理在于：当植物蛋白受体受到有害化学物质的刺激时，叶面外皮会释放出一种萜类化合物用以覆盖叶面，因此植物会改变其颜色。
It works because the receptor proteins in plant DNA respond naturally to threatening stimuli by releasing chemicals called terpenoids to thicken the leaf cuticle, thereby changing its colour.
我们开始议论食物中的‘环境毒物’，开始意识到一不留神就有可能拿到一袋有害健康的薯片，把刺激物从环境中移开不失为一条好计策。
We are starting to talk about 'toxic environments' with food and to understand how easy it is to mindlessly reach for a bag of potato chips.
寻找刺激是如此深刻的需要以至于手边没有无害途径，它便会找到这类有害途径来发泄。
It is so deep a need that it will find harmful outlets of this kind unless innocent outlets are at hand.
有规律地从过多的刺激中解脱出来可以使你及时消除疲劳和压力，这些刺激包括媒体，电话，驾驶，有害的城市噪音和忙碌的场所。
Withdrawing regularly from excess stimulation such as media, phones, driving, toxic city noise and busy places and allowing yourself a moment in time to dissolve your fatigue and stress.
口服乳果糖能有效刺激肠道内双歧杆菌生长，并能减少有害菌生长，调整肠道菌群，有助肠道微生态平衡和屏障功能。
We considered that the lactulose feedings were useful for growing well bifidobacteria, suppression of harmful bacteria, regulated micro flora, for maintained micro-ecological equilibrium in gut.
野生蜂蜜含有益生菌，能刺激人体健康组织的生长，同时抑制潜在的有害细菌。
Wild honey has prebiotic properties which can stimulate the growth of beneficial organisms in our bodies, while suppressing potentially dangerous bacteria.
功效：蜂胶性质温和，能轻柔清洁并呵护娇嫩肌肤，减少外界有害物质对肌肤的刺激，用后肌肤健康、细腻、舒适。
Efficacy: Mild honey can gently clean and care the delicate skin, alleviate the stimulation of foreign baneful materials. Skin will feel healthy, delicate and comfortable after use.
刺激眼睛。吞服有害。
卫生官员警告说，“点燃”并给吸烟者提供刺激的无烟烟草与使用烟草的卷烟一样对健康有害。
Health officials have warned that the smokeless stick that burns up to provide a kick to smokers is as harmful to health as the tobacco-filled cigarette.
接触存在于许多室内空间的空气中的有害媒介会带来各类不良影响，如引起呼吸系统疾病，过敏和呼吸道刺激。
Exposure to hazardous airborne agents present in many indoor Spaces causes adverse effects such as respiratory disease, allergy and irritation of the respiratory tract.
职工接触的职业有害因素以有机溶剂、粉尘和噪声、刺激性气体、金属毒物为主。
The occupational main hazard substances that the subjects contacted were organic solvent, productive dust and noise, irritant gas, metal poison.
刺激皮肤。吞食有害。
这些有害事件包括神经刺激器出现意外“震荡”，胰岛素泵功能失常，心脏起搏器输出脉率的短暂改变等。
Adverse events have included unintended "shocks" from neurostimulators, insulin pump malfunctions, and transient changes in pacemaker output pulse rate.
另外要注重，非环保型的涂料由于VOC、甲醛等有害物质超标，大多有刺激性气味，选择时一定要谨慎。
Want to notice additionally, blame environmental protection coating exceeds bid as a result of the harmful material such as VOC, formaldehyde, mostly stimulating odour, when the choice must careful.
另外要注重，非环保型的涂料由于VOC、甲醛等有害物质超标，大多有刺激性气味，选择时一定要谨慎。
Want to notice additionally, blame environmental protection coating exceeds bid as a result of the harmful material such as VOC, formaldehyde, mostly stimulating odour, when the choice must careful.
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