fastnesses
n.
牢固( fastness的名词复数 );
固定;
要塞;
堡垒;
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.
-
It never does the academic fastnesses real harm to be shaken.
来自fig.