1.
two or four athletes respectively,
双人双桨，四人双桨，
2.
two person two eye surgical microscope
双人双目手术显微镜
3.
Sculling events include the single sculls，double sculls and quadruple sculls．
双桨赛艇项目包括单人双桨、双人双桨和四人双桨。
4.
There is a 10% discount for a double room.
双人房间优惠10%。
5.
and double room is seventy.
双人间是70美元。
6.
A single or a double?
是单人房还是双人房？
7.
canoe [single-seater or double-seater]
独木舟〔单人艇或双人艇〕
8.
Do you want a single room or a double room ?
您要单人房还是双人房？
9.
Single or double, sir?
单人房间还是双人房间? ?
10.
Study on the New Teaching Model of "Double People and Bilingual";
农村中小学“双人双语”教学模式探究
11.
Clinical Application and Experience of the Operating Double Binocular Microscope
双人双目手术显微镜(XST-4A)的应用
12.
People born under the sign of Gemini have two sides.
双子座的人有双重个性。
13.
eight sculling events in which two oars are used,
有8人双桨式比赛，两个人单人双桨，
14.
On “Illiterate Bilinguals”and “Literate Bilinguals”;
论“文盲双语人”与“非文盲双语人”
15.
They begin to move forward slowly with their arms spread, like two eagles hovering.
两人徐展双臂慢步前进，如双鹰盘旋;
16.
Probably it was assumed that she and Mel were bedding down together.
有人大概认为她和梅尔已在双宿双飞。
17.
The following year saw the death of both of her parents.
第二年她的父母双双离开了人间。
18.
The sculling boat classes are the single,
双桨式划船比赛项目有：单人双桨，