int

例句：

1. 1. The teacher asked us to count the integers in the sequence.
   老师要求我们数这个序列中的整数。
2. 2. The math class is studying the properties of integers.
   数学课正在研究整数的性质。
3. 3. The engineer calculated the integral of the function f(x) over the interval[a, b].
   工程师计算了函数f(x)在区间[a, b]上的积分。