As we age, submandibular, sublingual glands, parotid glands start to decrease their secretions.

随着龄的增长，颌下腺、舌下腺、腮腺的分泌物开始减少。

Specifically, the measles, moms and rubella vaccine, or MMR.

而关于MMR，麻疹、腮腺炎和风疹的联疫苗之间的争论尤为激烈。

It's called MMR, standing for measles, mumps, and rubella, the three diseases it aims to prevent.

该疫苗名为MMR，是麻疹、腮腺炎和风疹的联疫苗，旨在预防这三种疾病。

Most of us just get two shots to protect us against mumps in our lifetime.

我们中的大多数人一生中只注射两次疫苗来保护我们免受腮腺炎的侵害。

Mumps is an infection that's caused by the mumps virus, even if somebody is not sick at all.

腮腺炎是由腮腺炎病毒引起的，使有人根本没有生病。

Prior to that, the fastest vaccine to go from development to deployment was the mumps vaccine in the 1960s, and that took four years.

在此之前，从研制到部署最快的疫苗是20世纪60代的腮腺炎疫苗，这一过程历时4。

It also runs a vaccination campaign, with health workers on motorcycles, delivering polio vaccine drops and shots to protect against measles, mumps and rubella.

而且这个恐怖组织还发起了疫苗接种运动, 卫生工作者们会骑着摩托车、为人们注射脊髓灰质炎，预防麻疹、腮腺炎及风疹的疫苗。

These exocrine glands produce a fluid called saliva, which is released, from the parotid gland, submandibular gland and sublingual gland on each side of the mouth.

这些外分泌腺产生一种称为唾液的液体，唾液从嘴两侧的腮腺，下颌下腺和舌下腺中释放出来。

You probably know there's two salivary glands under your tongue, but most saliva that comes from chomping and tasting is made by the parotid gland, situated between your ear and mouth.

你可能知道你的舌头下面有两个唾液腺，但其实大部分的唾液都是由位于耳朵和嘴巴之间的腮腺分泌的。

About a third of people who get the mumps infection won't have any symptoms, but they're still carrying the virus and they can still potentialspread it to other people.

大约三分之一的腮腺炎者不会出现任何症状，但他们仍携带病毒， 并且仍有可能将病毒传播给其他人。