The whole poem is: Chen Yuan entertains the old land and cultivates the Tang Dynasty in the cold. Bet on the sound of chess in the villa and donate wooden bricks and shadows. The bamboo hall is chic and the moon pavilion is beautiful. The letter has come back. Sit by the pool and delay less.
In this sentence, Zhutang and Yuege are the place names in An Lan Garden. Green roll refers to the faint moonlight;
The whole sentence means: in Zhutang, (I) try my best to be smart; At the Moon Pavilion, (I) lifted the moon's brilliance.