pleasing怎么用

怎么用pleasant不用pleasing? pleasant和pleasing 有什么区别?怎么用? pleasing 和 pleased 和 pleasant 怎么区别 pleasing pleasant什么区别? 区分一下pleasue,pleased,pleasant,pleasing的区别,他们的词性以及应该在什么环境下用什么单 pleased/pleasing/pleasant的区别 pleasant /pleasure/pleased/pleasing区别 pleasing pleasant 有啥区别? pleased pleasing pleasant 的用法 pleasing与 pleasant的区别 pleasant,pleased,pleasing的用法区别是什么 pleasant\pleased\pleasing的区别（全部）