A: Tina, have you heard the news on TV about Chang'e Ⅲ?
B: Yes, I have. Chinese scientists are so great that they developed it in such short time, and have succeeded in launching.
A: I know a little about it. ?
B: Certainly, Chang'e Ⅲ with a lunar probe named Yutu has reached the moon, and left Yutu on the surface of the moon.
A: ?
B: It will stay there forever, but only work for 3 months.
A: ?
B: It's used for exploring the moon and doing some scientific research.
A: ?
B: It works in the daytime and “sleeps” at night.
A: You know so much. .
B: You're welcome.