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- Let AB and CD be perpendicular to AD. 设AB和CD都垂直于AD。
- A male servant, especially a valet. 男仆，尤指贴身男仆
- I come in answer to your ad for a salesman. 我来应聘售货员的职位。
- We were told to help ourselves to the food ad lib. 这些食物让我们随便吃。
- AB and CD intersect at (the point) P. AB线和CD线在P点相交。
- Problems were solved on an ad hoc basis. 做了一些变通问题便解决了。
- The line AB cuts the line DC at the point E. AB线和DC线在E点相交。
- The lines AB and CD intersect at E. 直线AB与直线CD相交於E点。
- Insert a want ad, and it may help. 登一则招聘广告，也许有用。
- The line AB intersects the line CD at E. 直线AB与直线CD相交於E点。
- His head sank down ad he fell asleep. 他睡着时头垂了下来。
- Points of policy are decided ad hoc. 政策的条款是临时决定的。
- I don't want to go on working here ad infinitum. 我不愿意永远在这里干下去。
- The actress often forgot her line but was very good at ad lib. 那个女演员常忘台词，却极擅长临时拼凑。
- The posse rode down the escaping bank robber. 一队警察驾车追上了正在逃跑的银行抢动犯。
- The posse are pursuing the thief. 武装队正追捕那贼。
- A male servant, such as a valet. 男侍男仆，如男侍
- Acting or done ad interim; temporary. 临时的暂时做事的; 临时的
- The valet de chambre appeared on the door-steps. 仆人们应声在门廊下出现。
- The line AB intersects the line CD at O. 直线AB与直线CD相交于O点上。
