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
This dog is well trained.
这只狗受过很好的训练。
A lamb is as dear to a poor man as an ox to the rich.
穷人的一只羔羊比富人的一头牛还要珍贵。
One of the first things Annie did was to teach me how to play.