全部

1·Everyone was assembled at the appointed time.

全体人员均按规定时间召集到场。《牛津词典》

2·Results may be realized at the appointed time.

按时见效。《新英汉大辞典》

3·I arrive at the appointed time.

那天我按约定时间准时到了。

4·He wasn't there at the appointed time.

他没有在指定的时间在那里。

5·I went to the house at the appointed time.

我按指定时间到了那家。

6·Our visitors arrived at the appointed time.

我们的客人在约定的时间来了。

7·Our visitors arrived at the appointed time.

我们的来宾在约定的时间到达了。

8·We shall 'nudge you' at the appointed time.

我们到时会提醒你的。

9·Let's meet him at the railway station at the appointed time.

我们在指定的时间到车站去和他碰面好了。

10·Let's meet him at the railway station at the appointed time.

我们在指定的时间到车站赴和他碰面好了。

届时

1·At the same time, the local area and Metro Line 13 planning site, at the appointed time travel will be very convenient.

同时，项目所在区域还有地铁13号线规划站点，届时出行将十分便捷。

2·At the appointed time, a total of about 6000 endangered fauna and 33000 endangered flora will have been completed by the end of 2003.

届时，6000种濒危动物和33000种植物的基于互联网的数字化档案将会面世。