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
Keith and I are through.
基思和我已经不再来往了。
I'll have to look. What do you want to for?
我得看一看。你要零钱干什么?
The undulating waves of the open sea are generated by three natural causes: