Fastnesses
n. 牢固( fastness的复数形式 ); 固定; 要塞; 堡垒
🗣️ 情景例句
It just depends on a number of things.
这得靠许多因素才能决定。
No smoke without some fire.
无风不起浪。
Oh,there's someone at the door.
噢，门口有人！