加拿大神算子简介：Old Man Yan was giving a Chinese lesson on the podium. The students below were still talking about yours and I talked about mine. Some students were yawning non-stop, and some bored students were still folding paper airplanes.
Old Man Yan was giving a Chinese lesson on the podium. The students below were still talking about yours and I talked about mine. Some students were yawning non-stop, and some bored students were still folding paper airplanes.
