Perpender
n. 【建筑学】贯石(贯穿墙壁而露其两端的长石);穿墙石;控石 [亦作 perpent ／'pə
🗣️ 情景例句
Thank you.
谢谢各位。
Who rang the bell a while ago?
刚才谁在按门铃？
A run-down watch is still a watch and can be rewound.
手表停了依然是只手表，还可以重上好发条。