您要查找的是不是：
- post cardinal vein 后主静脉
- Persistent left posterior cardinal vein 左后主静脉续存
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- North, south, east, and west are the four cardinal points of the compass. 东、西、南、北是罗盘上的四个方位基点。
- She is wearing a cardinal sweater today. 今天她穿了件鲜红的毛衣。
- I am afraid the last post has been dispatched. 恐怕末班邮件已经发出了。
- She helps her mother when she is in the vein. 她在心情好的时候会帮她妈妈的忙。
- All bookings must be made by post. 所有预约都必须用信函形式。
- By parcel post our samples were sent. 我们的样品是通过邮包寄送的。
- A vein of gold was seen cropping out. 可以看见一条金矿矿脉露出地面。
- The cardinal number equal to1015. 十的十五次幂基数等于1015。
- No one can alter the fact, ex post facto. 没有人能在事后改变事实本身。
- The cardinal number equal to18+1. 十九与18加1相等的基数
- How long is the post tenable for? 这个职位任期多长？
- The cardinal number equal to109. 十亿基数，等于109
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- I went to the post office to mail the letters. 我去邮局寄信。
- The cardinal number equal to1030. 百万的五次幂基数等于1030
- He was disqualified for the post on account of age. 年龄不合格使他无法无资格任此职。
- He had no comedy vein in his youth. 他年轻时没有演喜剧的才干。
