I do tend to buy out my irritants.

我的确用钱摆平麻烦。

The large center is the manmade irritant placed in the shell to encourage nacre formation.

中间的大块是为促进珍珠质形成而放入贝壳中的人造刺激物。

A third officer sprays him with a chemical irritant.

第三名警官向他喷洒了一种化学刺激物。

It continues doing this, and the irritant grows into a shiny pearl.

它们反反复复进行着这个过程，这样下去，刺激物就会长成一颗闪亮的珍珠。

Alright so people who smoke expose their airways to all sorts of irritants and chemicals.

吸烟使气道暴露在各种刺激物以及化学物质之下。

The sac coats the irritant with layers of smooth nacre, also known as mother-of-pearl.

珍珠囊给刺激物外裹上一层层光滑的珍珠层即珍珠母。

It traps dirt and germs, it keeps water out, and it collects bacteria and other dusty allergens and irritants.

它能够捕获灰尘和细菌，把水挡在外面，收集细菌和其他尘土飞扬的过敏原和刺激物。

Stinging wasps are one candidate, but the picnic irritants play a vital role, eating other pests and pollinating flowers.

会刺人的黄蜂是其中之一，但这种扰乱野餐的动物起着至关重要的作用，它们捕食其他害虫，并为花朵授粉。

" There are always irritants in relationships" .

“人际关系中总有刺激因素”。

In some species, trichomes also dispense chemical irritants.

在某些物种中，毛状体还会散发化学刺激物。