“在法庭上”是on the court还是at the court?

“在法庭上”是on the court还是at the court? on the basketball court 还是at on the basketball court 是at the badminton court 还是at badminon court? 英语翻译in court 还是 in the court 还是 at courton the trial 还是 at t in court 还是on court? on the badminton court 造句 为什么是in the basketball court而不是 on? we will meet on the court. The Doggett Court in1915 the supreme court THE SUPREME COURT怎么样 the Court of