D
[计] 数据, 十进制, 数位, 位, 文档, 域\\n[医] 氘, 重氢
📖 牛津释义
D
abbr 缩写 = (US politics 政) Democrat; Democratic. Cf 参看 R 3. D (also d), symb 符号 Roman numeral for 500 罗马数字的500. Cf 参看 D-day. d abbr 缩写 =
1 (in former British currency 英国旧币) penny; pennies or pence (Latin denarius; denarii) 便士（源自拉丁文denarius; denarii）
a 2d stamp 一张2便士的邮票
6d each 每个6便士. Cf 参看 p 2.
2 died: Emily Jane Clifton d 1865 埃米莉?简?克利夫顿, 1865年卒. Cf 参看 b.
🏥 医学释义
①氘，重氢 ②密度
🗣️ 情景例句
Sit down, sit down. Have some coffee.
请坐， 请坐。喝点咖啡。
Fine, thanks. And you?
很好，谢谢，你呢？
The bridge is so long that the shape of the earth had to be taken into account by its designer.
由于桥身太长，设计者不得不考虑了地表的形状。