Monodirectional
单向的
🗣️ 情景例句
He should just about get by in the exam.
他这次考试还能勉强及格。
Truth is the daughter of time.
真理是时间的女儿。
The thieves dropped the torch and ran away as quickly as they could.
小偷扔下了手电筒，飞快地逃走了。