dòng wù yuán / lǐ / de / lóng jiàn / suī rán / jiān gù / dàn / dòng wù men / réng rán / kě wàng / zì yóu动物园里的笼槛虽然坚固,但动物们仍然渴望自由。Although the cages in the zoo are sturdy, the animals still long for freedom.