He grinned at her ruefully.他遗憾地对她咧嘴一笑。He grinned his approval.他以一笑表示同意。Sarah tried several times to catch Philip's eye, but he just grinned at her.萨拉几次想引起菲利普的注意，但是他只是冲她咧嘴笑了笑。She grinned derisively while I seethed wi...
You're looking fat and heartly, Edger. May your shadow never grow less.埃德加, 你看起来又胖又壮, 愿你长生不老.The article describes the function, composition and operational concept of edger mills.简要介绍立辊轧机的作用 、 设备组成及轧制理论.Main equipm...