one-way
🇺🇸
/ˌwʌn ˈweɪ/
🇬🇧
/ˌwʌn ˈweɪ/
going in only one direction
The road is one-way, so you can't go back the same way.
这条路是单行道,所以你不能原路返回。
a ticket or trip that you can only go one way with
I bought a one-way ticket to the concert.
我买了一张去音乐会的单程票。
not involving a two-way interaction
Their friendship was one-way; she always helped him but he never did anything for her.
他们的友谊是单向的;她总是帮助他,但他从未为她做过任何事。