Thetable mats and coasters have a non-slip, soft green backing.
这些桌垫和杯垫下都有一层绿色防滑软衬。
《柯林斯英汉双解大词典》
2
In preparation for the celebration, a straw mat is placed on thetable, along with a candle holder with seven candles, one black, three red, and three green.