staircase
(also `stairway), n set of stairs (often with banisters) and its supporting structure, inside a building (建筑物内的)楼梯(常有栏杆)
a spiral staircase, ie stairs winding round a central pillar 螺旋式楼梯. =>illus 见插图.
🎯 考研助记
stair(楼梯)+case: 楼梯
📖 同为「高中」词汇
budgetn. 预算;预算案;预算拨款;一束;
vt.& vi. 把…编入预算;谨慎花钱;
adj. 价格低廉的;花钱少的;收费合理的;便宜的;
vt. 在预算中拨款给;按预算拨(款);按预算来计划(或安排);规划;
vi. 做安排(for);