The overall rate of incidence of Down's syndrome is one in every 800 births.

Down's syndrome is a condition caused by a genetic malfunction.

唐氏症是一种由于基因变化引起的症状.

Don't mention it. I've really enjoyed your company.

不必客气,有你的陪伴, 我也很开心.

He's very sensitive about being small, so don't mention it.

他对自己个子矮小神经过敏, 可别提这件事.

Don't mention it . It's all in a day's work.

这是 我 应该做的.

Don't mention it. What would you like to drink?

别客气, 想喝点 什么 ?

Man: Don't mention it. But don't forget to get the puncture repaired.

男人: 举手之劳,不足挂齿. 别忘了修补轮胎.

SHARON: Don't mention it. I always willing to help good students.

夏伦: 别客气. 我很乐意帮助好学生.

Don't mention it. You should drink some water and go to lie down.

不客气, 你应该多喝些水,去躺一下.

"Thank you very much." — "Don't mention it."

“非常感谢！”——“别客气。”

Oh , don't mention it, please.

噢, 请不必客气.

The doll's house had miniature tables and chairs.

洋娃娃的房子里有很小的桌子和椅子.

Martha assembled her latest doll's house very quickly.

玛莎很快地组装好了她最新的一间玩具屋.

The doll's-house stood at the other side of the fireplace.

洋娃娃的房子在壁炉另一侧.

How do they all cram into that doll's house?

那小小的房子怎么挤得下他们大家 呢 ?

It doesn't sound exactly orthodox, if I may say so.

恕我直言，那听起来不太符合常规。

It is delightful to get a doctor's degree. He will not depend on his parents.

获得博士学位真让人高兴. 他将不再依赖父母了.

Why do you want to pursue a doctor's degree?

你为什么想继续攻读博士学位?

Students enrolled at the graduate level ( master's or doctor's degree ) specialize almost entirely.

研究院的学生 ( 修硕士或博士学位 ) 差不多完全是专修性质.

Hao Tiechuan, male, born in 1959, received a doctor's degree in History from East China Normal University.

郝铁川: 男, 1959年生, 1988年获得华东师范大学史学博士学位.

Her boy friend is studying for a doctor's degree.

她的男朋友在攻读博士学位.