Unidirection
[计] 单向
🗣️ 情景例句
We could call it Deep Sleep Country Air.
我们可以称它为"沉睡的乡村空气"。
The fork is dirty, Would you bring me a clean one, please?
这叉子是脏的，请你拿个干净的给我。
She stamped out the letters 'SOS' in the snow.
她在雪地上踩出了“SOS”这3个字母。