查询词典 tread on air

I'd like to send it by "air mail".

我想寄航空。

B:Do you want to send it by air mail?

你要寄航空邮件吗？

A: I'd like to send this by air mail, please.

甲：我想要用航空邮寄这个，麻烦你。

Do you wish to send it by air mail ?

你希望航空邮寄吗？

Can I send it by air mail?

我能航空邮件邮寄它吗？

I want to send this by air mail .

这封信我要寄航空。

Now, one more thing, I want to send a package by air mail.

噢，还有一件事，我要寄一个航空邮包。

I'd like to send this by air mail , please.

我要用航空邮寄发这个。

The contract will be sent to you by air mail for your signature.

下一篇范：常见的"办公室英语"你知道多少？。。。

In other word I do not have to send it by air mail,right?

换句话说我不必把它航空邮寄了，对吗？

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。