Birectangular
[数]双直角形
🗣️ 情景例句
Good. Can we sign them right away?
好的。我们现在可以签合同了吗？
Take care of the pence, and the pounds will take care of themselves.
积少自然成多。
I borrowed his copy of the timetable.
于是我借他本人的列车时刻表，