Bicircular
由两个圆周组成的, 象两个圆周的
🗣️ 情景例句
Yeah.
对。
No man is a hero to his valet.
仆从目中无英雄。
Normal people tend to forget this process unless and until they are reminded of it.
衰老的过程，不经提起，正常人容易忘记；一经提醒，才会记起。