单词	plunger head
释义	plunger head 塞头
随便看	degraded channel degraded character degraded chernozem degraded chernozen degraded clause degraded color degraded colours degraded communities Degraded community degraded condition or place degraded copy degraded core accident degraded D2O purification system degraded D2O system degraded desert grassland degraded DNA degraded ecological system degraded ecosystem degraded eco-system degraded energy degrade descending pressure Degraded fenugreek gum sulfate degraded forest degraded forest ecosystem degraded forestland