"the partly porous walls of our digestive system"
"compacting the soil to make it less porous"
"our unfenced and largely unpoliced border inevitably has been very porous"
来自柯林斯例句
来自柯林斯例句
来自《简明英汉词典》
来自《现代汉英综合大词典》
来自柯林斯例句