let's learn the [ ] [two]lesson today

let's learn the [ ] [two]lesson today
let's learn the [ ] [two]lesson today

let's learn the [ ] [two]lesson today
second
two的序数词,序数词前面要有定冠词the的修饰
the second lesson,相当于我们课本上的Lesson 2,第二课

let's learn the [second ] [two]lesson today
要用序数词

second