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- This drug is very effective at the initial stage. 这种药在初期很有效。
- In addition, these organizations are at the initial stages of developing, their recombination in Yangtze Delta is not difficult. 另一方面从难易程度来看，这类组织目前正处于发育初期，在区域范围内进行重组和调整阻力也较小。
- The whole world seemed to be at the party. 聚会上好像每个人都来了。
- I have to be at the office extra early tomorrow. 我明天必须很早就到达办公室。
- Whoever can that be at the door? 在门口的究竟是谁呢？
- His successor as the chairman will be at the conference. 接替他担任主席的人将参加本次会议。
- In any case, you'll need to be at the station by nine. 无论如何你都要在九点钟前赶到车站。
- His first appearance on stage was at the age of three. 他三岁时初次登台。
- It is better to be at peace with your rivals at the party. 在聚会上，你最好同你的对手和睦相处。
- Someone must be at the bottom of this affair. 这件事一定有人在背后支持。
- I can not get through to her that I have to be at the airport by2: 15. 我无法让她明白必须在两点一刻之前赶到机场。
- We were at the tail of the bus queue. 我们立在公车候车队伍的末尾。
- How long has the present director been at the helm? 现任主任掌权多久了?
- All the world and his wife were at the ball. 所有上流社会人士都参加了这个舞会。
- He says he was at the cinema, but I know different. 他说他那时在看电影，可是我知道不是那麽回事。
- A synapse,which was made of two dendritic spines which were at the initial segment of the dendrite,was observed in this area and there were some cisternae in one of the dendritic spines. 在两个树突的近端还观察到1例由两树突棘形成的突触，并且其中一个树突棘内有几个扁平的囊和正从其两端芽生突触囊泡。
- What time would you like to be at the airport? 您几点要到达机场?
- You need to be at the very front of the bus. 你最好在公共汽车最前面。
- It will be at the cost of human liberty. 那将以人的自由为代价。
- I'm not supposed to be at the party. 我不该在聚会上露面。
