Rcl
abbr. runway center line （机场）跑道中心线
🗣️ 情景例句
How'd it go?
怎么样啦？
He is distinguished as an economist.
他是一名著名的经济学家。
As the play draws to its close, they wonder whether they will ever catch that last train home.
当戏快演完时，他们又为是否能赶上末班火车回家而犯愁。