在三月的英语是In March。
例句：
1、他们在三月演出以后，就是下个月在英国的四场演出。
They follow up their March show with four UK dates next month.
2、我饶有兴致地阅读了杰曼·格里尔在三月那期发表的文章。
I read Germaine Greer's article in the March issue with particular interest.
3、Scheduling安排我在三月三十号又个约会。
I made an appointment for the 30th of March.
4、但是，警察委员会委员长Ray Kelly在三月三号的一次演讲中力挺他们这样的行动，并认为忽略这个城市以外将发生的事情是一件十分愚蠢的事情。
But Ray Kelly, the police commissioner, defended his force in a speech on March 3rd, saying it would be folly to ignore what takes place outside the city.
5、注册期限旨在为游客留有时间，了解eTA，并在三月强制执行之前获得授权。
The enrolment period aims to give travellers time to learn about eTA and to obtain their authorization before it becomes mandatory in March.
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