adj.免费的，无偿的
adv.免费地，无偿地
gratins───n.奶油烤菜；焦黄面包和干酪屑涂层
grates───v.磨碎（食物）；（使）烦躁；发出吱吱嘎嘎的摩擦声；粗声粗气地讲话；n.壁炉的炉膛；壁炉的炉栅；格栅；（壁炉的）金属炉架；n.(Grate)（美）格拉特（人名）
gratin───n.奶油烤菜；焦黄面包和干酪屑涂层
gratings───n.[数]格子；隔栏（grating的复数形式）
graters───n.擦菜器，食物磨碎器
gratify───vt.使满足；使满意，使高兴
gratine───烤面包
grating───n.栅栏，格子；摩擦，摩擦声；衍射光栅；adj.刺耳的；磨擦的；令人气恼的；v.磨碎（食物）；擦响，发出刺耳的声音；激怒，使人烦躁（grate的现在分词）
gratiné───磨碎的
What I did for you was free, gratis, you understand?───我为你所做的都是免费的、不收钱的，你明白吗？
I knew his help wouldn't be given gratis.───我知道他的帮助不会是无偿的。
David gives the first consultation gratis.───戴维免费提供第一次咨询。
But extracting a business model from free is not always easy, especially when your users have come to expect gratis.───在免费基础上建立一种商业模式并非易事，尤其是当你的用户已经吃惯了免费大餐。
Gratis software is not worth such an effort, because price is usually not an ethical issue.───而免费软件不值得如此卖力，因为价格通常不成其为一个道德问题。
But for you both, I won't buy the factory even if it is as cheap as a gratis thing.───要不是有两位鼎力相助，我也不会买这个厂子，就算它便宜到白送我也不要。
She had written it for the single gratis copy of the book that an author was entitled to.───她写这本书就是为了作者有权得到的那本免费样书。
Long Corporation Advisory clients collected monthly from three lucky customers, gratis living part of the design results.───龙发公司每月将从咨询客户中抽取三名幸运客户，免费提供居室部分设计效果图。
For thus saith the Lord: You were sold gratis, and you shall be redeemed without money.───因为上主这样说：「你们是无代价被出卖的，也无需用金钱赎回。」