May Day 五一节.
例句:
The parks are decorated for the May Day celebrations.
修饰公园,准备迎接五一。
By May Day we had put in the first steel structure.
到五一的时候,我们就架起了第一个钢构。
I hope to put it on before May Day.
我希望它在五一劳动节之前能够上演。
May day is only three days off.
离五一节只有三天了。
On the morning of May Day, we get up very early.
在五一节的早上我们起得很早。