Rotacore
软岩层用钻头
🗣️ 情景例句
I think New York has all the conveniences--
我觉得纽约具备了一切便利的条件
His presence in the room was not noticed.
没有人注意到他在房间里。
Look, Gary!That policeman's waving to you.He wants you to stop.
瞧，加里！那个警察正朝你挥手呢。他要你停下来。