查询词典 stamp collecting

He took up stamp-collecting when he was very young.

很小的时候他就开始集邮了。

In some countries,there are even lessons on stamp-collecting in school.

在一些城市，甚至有邮票收藏的课。

He has a deep interest in stamp-collecting.

他对集邮有浓厚的兴趣。

Tom: On the first page of my stamp-collecting book.

汤姆： 在我的集邮册的第一页上。

Because I find stamp-collecting relaxing and it takes my mind off my work.

因为我发现集邮可以让人放松，能让我远离工作。

In.例如: For many years I have had an interest in stamp-collecting.

多年来我对集邮有兴趣。

Stamp-collecting is a lovely way to pass the time.

集邮是一种令人愉快的消遣方法。

Stamp-collecting is one of his favorite pursuits.

他的爱好之一是集邮。

Stamp-collecting didn't begin until 1854.As time goes on,there are more and more kinds of stamps.

集邮直到1854年才开始，随着时间的流逝，市面上的邮票种类越来越多。

I like stamp-collecting three years ago.

三年前我喜欢上了集邮。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。