发明家有时也是搞笑喜剧大师。你瞧,好端端的的眼镜,到了他们的手里就变得面目全非了。或许你会有很多办法来防止切洋葱时涕泪横流,现在来看这副眼镜吧。请看图1,它的原理与游泳镜类似,可以有效地阻挡引发流泪的小液滴溅入眼睛。 Inventors are sometimes funny comedians too. You see, good glasses, in their hands become completely different. Perhaps you will have many ways to prevent the shedding of tears when cutting the onion, now look at the pair of glasses. Look at Figure 1, its principle is similar to swimming goggles, can effectively block the small droplets caused by tears splashing into the eyes.