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
Maybe you can photogragh a class,
也许你来拍一次上课的情形，
Do you ever work at the factory on Sunday?
你曾经在星期日在工厂工作吗？
It is eight o'clock.The children go to school by car every day, but today, they are going to school on foot.
现在是8点钟。孩子们每天都乘小汽车去上学，而今天，他们正步行上学。