pleasing 和 pleased 和 pleasant 怎么区别

pleasing 和 pleased 和 pleasant 怎么区别 pleasant和pleased和pleasure和pleasing区别 pleased,pleasure,pleasant,piease,pleasing的区别和用法? please,pleasant,pleased和 pleasing有什么区别? pleased/pleasing/pleasant的区别 pleasant /pleasure/pleased/pleasing区别 pleasant和pleasing 有什么区别?怎么用? pleasant和pleasing的用法和区别 pleasant,pleased,pleasing的用法区别是什么 pleasant\pleased\pleasing的区别（全部） Pleasing和pleasant有什么区别? pleasant 与pleasing的区别和应用