Bootcamp
n. 训练营地
🗣️ 情景例句
to ask Dad to sign as a guarantor.
请爸爸当担保人为我签字。
Which umpire will referee the baseball game?
不知道哪一个裁判要执法这场棒球赛？
While two detectives were keeping guard at the door, two others opened the parcel.
这时两个侦探把住门口，另外两个侦探打开了包裹。