描述枕头的英语形容词如题,求英语高人翻译：“软硬适中,厚一点并且弹性好的枕头”怎么说?“圆形的抱枕”怎么说?“记忆枕头”

“软硬适中,厚一点并且弹性好的枕头”-- a pillow which is not too soft nor not too hard,a bit thick and fairly elastic
“圆形的抱枕”-- round cushion
“记忆枕头”-- memory foam pillow
“靠枕”-- back cushion