These ointments don 't cure anything , but set up a secondary irritant .
这些药膏什么也治不了,只是引起继发性的刺激而已。
Much as water in a bathtub is not a problem until it starts to overflow , pollen for many is not an irritant until it crosses a particular threshold , he said .
浴缸里的水溢出之前不会带来大问题,大量的花粉超过一定限度后就会成为刺激物了,他说。
Topical metronidazole preparations sometimes cause irritant dermatitis , so the skin becomes more inflamed and itchy .
专题甲硝唑的筹备工作,有时造成刺激性皮炎,使皮肤变得红肿和发痒。
Their persistence acts as a constant irritant .
他们的固执坚持经常叫人受不了。
The noise of traffic is a constant irritant to city dwellers .
车辆的噪音对城市居民是永无止境的骚扰。
The report is bound to add a new irritant to inter-regional relations .
这份报告肯定会给区域间关系添加新麻烦。
This irritant gas is crucial to the well-being of the life on our planet .
这种刺激性气体对我们星球上生命的安康至关重要。
The issue of terrorist safe havens inside pakistan is an increasing irritant between washington and islamabad .
恐怖分子在巴基斯坦境内藏匿的问题越来越严重地扰乱华盛顿与伊斯兰堡的关系。
Test conclusion : no irritant reactions observed after the medicines of that lot are injected into the rabbit vessels .
实验结论:家兔血管注射该批药物后未见到刺激反应。
There is a rub , however , though it has not proved too great an irritant until now .