a mat placed outside an exterior door for wiping the shoes before entering 同义词：doormat,
例句与用法
1.
Not that quickly . you could trip over the welcome mat 别太快，你们可能会被擦鞋垫绊倒
2.
Father bought a new welcome mat for our new house 爸爸为我们的新房子买了一个擦鞋垫。
3.
Her smile is like an open door with a welcome mat out front 她的微笑就像一扇前面铺有迎客垫的敞开的门。
4.
A mammoth that died thousands of years ago near what is now yakima is slowly revealing its secrets to scientists , and they ' re putting out the welcome mat for people interested in pitching in and helping to cover the project costs 一只死于数万年前的猛犸象正在现今美国华盛顿州的雅基马城附近向考古学家们慢慢揭开它的神秘面纱。由于项目资金短缺，考古学家们欢迎那些对此感兴趣的有识之士和愿意为此慷慨解囊的人们前来助一臂之力。
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