Rcl
abbr. runway center line （机场）跑道中心线
🗣️ 情景例句
I approach things enthusastically and I don't like leaving things half done.
我热诚对待每件事，不喜欢半途而废。
He is shocked.
他受到了打击。
How was this possible?
这种传递是怎样进行的呢？