dais

名词 dais:

1. a platform raised above the surrounding level to give prominence to the person on it
   同义词：podium, pulpit, rostrum, ambo, stump, soapbox

1. He has a 10-miles' drive each day to and from his work.
   他每天上下班要开10哩的车。
2. The tariff at the hotel ranges from 20 dollars to 50 dollars a day for a single room.
   旅馆的单人房间的价钱每天从20美元到50美元不等。
3. Her diet restricts her to 1500 calories a day.
   她的规定饮食限制她每天摄入1500卡的热量。
4. The average output of the factory is 20 cars a day.
   该工厂的平均产量是每天20辆汽车。

da.is

n.（名词）
A raised platform, as in a lecture hall, for speakers or honored guests.
高座，上座：高出的讲台，如在演讲厅，为演讲者和尊贵的客人准备的

来源：
Middle English deis
中古英语 deis
from Anglo-Norman [platform]
源自 英法语 [讲台，月台]
from Late Latin discus [table]
源自 后期拉丁语 discus [桌子]
from Latin [discus, quoit] * see disk
源自 拉丁语 [铁饼，环圈] *参见 disk