柯林斯词典poplar /ˈpɒplə/ (poplars) 1. N-VAR A poplar is a type of tree with leaves that move a lot in the wind. 杨树 返回 poplar剑桥词典a tall tree with branches that form a thin pointed shape 白杨树 a tall row of poplars 一排高大的白杨树 返回 poplar