直到9点，学生们才到达公园。（英译汉，两种方法)

问题描述：

直到9点，学生们才到达公园。（英译汉，两种方法)

问题解答：

Students didn't arrive in the park until 9 o'clock.
It was not until 9 o'clock that students arrived in the park.

1.it was till 9 o'clock when all the students arrived at park.

2.All the students arrived at park until 9 o'clock.

Students didn't arrive at the park until 9 o'clock.
All the students arrived at the park until 9 o'clock.