封冻
- na.freeze-up
- 网络freeze over; FROZEN; complete ice coverage
 封冻
封冻封冻
freeze-up
封字的解释---在线新华字典 ... 封顶〖 sealroof〗 封冻〖 freeze-up〗 封港〖 closeaport〗 ... 
                freeze over
俄国人到达古老的南极湖_恒星英语 ... rise up 站起来;升起 freeze over 封冻 figure out 计算出; 解决;想出; 弄明白,理解 ... 
                FROZEN
... ... SNOW 下雪 FROZEN 封冻 RAIN 雨天 ... 
                complete ice coverage
在线词典--水电知识网--中国水利水电出版社 ... complete ice coverage [完全]冰封,封冻 crane hook coverage 起重机吊钩工作范 …
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