Bibo
有界输入有界输出（bounded-input bounded-output）
🗣️ 情景例句
And here he is--Popo the Clown.
这位就是小丑Popo。
Love is blind.
爱情是盲目的。爱情使人对缺点视而不见。情人眼里出西施。
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。