staircase 构词法3100 全国卷频次：0 /ˈsteəkeɪs/ US /ˈsterkeɪs/ n. staircases 0 楼梯，梯子，楼梯部分 高考真题原句提选：I raced to the staircase.我急忙跑向楼梯。Vicki quietly showed eight armed officers through passages and staircases to the top floor room and handed over the key.维姬悄悄地带着八名武装人员穿过通道和楼梯，来到顶楼的房间，并交出了钥匙。 |