fastness
n[U]
quality of being fast2(2) 不褪色
We guarantee the fastness of these dyes. 我们担保这些染料不褪色.
fastness n fortified place that is easily defended; stronghold 堡垒; 要塞
a mountain fastness 山寨.
🗣️ 情景例句
I'm Richard. What's your name?
我是Richard!你叫什么?
Whew! It's hot!
哇!好热!
Some time ago, however, a peculiar fish was caught near Madagascar.