fastnesses怎么读

fastnesses的音标：

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fastnesses例句

Disperse dyes are suitable for dyeing PU fiber, high uptake and satis factory fastnesses were observed.分散染料是氨纶染色的理想染料, 它具有较高的上染率和较好的染色牢度....
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- #造句
fastnesses是什么意思？

n.牢固( fastness的名词复数 )，固定，要塞，堡垒...
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- #释义