fastness

fastness读音音标

英 [ˈfɑ:stnəs]

美 [ˈfæstnəs]

fastness意思解释

n.

牢固；

固定；

要塞；

堡垒

变形

复数：fastnesses

英英释义

n.

a rate (usually rapid) at which something happens

同义词：speedswiftness

the quality of being fixed in place as by some firm attachment

同义词：fixednessfixityfixturesecureness

a strongly fortified defensive structure

同义词：stronghold

双语例句

用作名词(n.)We guarantee the fastness of these dyes.我们担保这些染料不褪色。