单程的

C. Yes, sir, single or return?

好的，请问单程票还是双程票

Is it single or return?

单程还是往返的？

Family Railcard For ￡20 this railcard allows you to take a second adult and up to 4 children for only ￡3 each when you buy single or return tickets.

家庭卡是￡20。当你买一张单程票或一张返程票时，这张卡允许你再带一个成年人和一个不到4岁的孩子，每人仅用￡3。

I need a single ticket to Rome .

我要一张去罗马的单程票。

I need a single ticket to Paris tonight.

我要一张今晚去巴黎的单程车票。

Please give me a single ticket with second class to chicago,will you?

请给我一张去芝加哥的单程二等票好吗？

Could you give me a single second-class ticket to Chicago?

请给我一张去芝加哥的单程二等票好吗？

Can i have a second-class single way ticket to Chicago?

请给我一张去芝加哥的单程二等票好吗？

May I have a single second-class ticket to Chicago please?

请给我一张去芝加哥的单程二等票好吗？

Could you give me a single second-class ticket please ?

请给我一张去芝加哥的单程二等票好吗？

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。